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Relevant bibliographies by topics / Optical coatings

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Academic literature on the topic 'Optical coatings'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 July 2024

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Journal articles on the topic "Optical coatings"

1

Yin, Yan Zi, Ji Hui Wang, Han Li, Jiu Xiao Sun, Heng Tian, and Yun Dong Ji. "The Preliminary Research on the Coating of FBG Embedded in Composites used in Large Aircraft." Advanced Materials Research 239-242 (May 2011): 540–43. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.540.

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The optical fibers with epoxy acrylates and urethane acrylates UV-curable coatings were embedded in composites. It’s found that after high-temperature heated, when the coating’s glass transition temperature was higher than the heating temperature, the microstructure of the coating would not change, but when the coating’s glass transition temperature was lower than the heating temperature, the coating would detached from optical fiber. FBG (fiber Bragg grating) sensors with coating and naked FBG (without coating) sensors were embedded in composite materials to monitor impacting damage. It was found that when the coating broke away from the optical fiber which was embedded in the composites, the sensitivity of the FBG sensors would reduce.

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M. Meheretu, Getnet, and Sitotaw E. Gebremeskel. "Designing anti-reflection coatings for optical surface." International Journal of Physical Research 7, no. 1 (May 5, 2019): 20. http://dx.doi.org/10.14419/ijpr.v7i1.28046.

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In this paper, we have analyzed the optical properties of single and double layer antireflection coatings with the help of influential characteristics matrix formulation method in the visible electromagnetic spectrum. We have studied deeply for the glass coated with MgF_2 as a single layer coating and the spectrum analysis of double layer coatings of glass with〖 MgF〗_2-Al_2 O_3. With the aid of the algebraic mathematics and MatLab program, we have developed antireflection coating designs which leads to an enhancement of material’s ability for transmission spectrum through it. According to the result we have obtained, it clearly seen that the maximum transmission power for single layer and double layer coatings are about 97.2% which occurs at wavelength of 450 nm and 100% occurs at 324 nm, respectively. It is also observed that the minimum value recorded in transmission spectra for double layer antireflection coating is 99.83% at a wavelength of 418 nm (for normal incidence) and 400 nm (for θ=60° angle of incident). In broadly speaking, our fundamental work shows double layer antireflection coating is more convenient and feasible than single layer antireflection coating.

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Macleod, Angus. "Optical interference coatings–yesterday and today." Chinese Optics Letters 11, S1 (2013): S10101. http://dx.doi.org/10.3788/col201311.s10101.

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Han, Yan, Xiaoxing Yan, and Yu Tao. "Effect of Transparent, Purple, and Yellow Shellac Microcapsules on Properties of the Coating on Paraberlinia bifoliolata Surface." Polymers 14, no. 16 (August 13, 2022): 3304. http://dx.doi.org/10.3390/polym14163304.

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In order to explore the applicability of the waterborne coating with self-repairing microcapsules based on the surface of wood boards and specify the optimal range of microcapsule content in the coating, three different kinds of shellac microcapsules (transparent shellac, purple shellac, and yellow shellac) were embedded in a waterborne acrylic coating at 0, 1.5 wt.%, 3.0 wt.%, 4.5 wt.%, 6.0 wt.%, and 7.5 wt.%. The Beli wood (Paraberlinia bifoliolata) boards were then covered with self-repairing coatings to investigate the self-repairing coating’s physical and chemical properties, aging resistance, and scratch repair abilities. The findings demonstrated that the chromatic difference and gloss of surface coatings on Beli wood boards were significantly influenced by the content of microcapsules. The optical characteristics and cold liquid resistance performance of the coating on Beli wood were enhanced when the microcapsule content was 3.0 wt.%. Additionally, the mechanical qualities of the coating with 3.0 wt.% transparent shellac microcapsules on Beli wood surface were better, with an H hardness, grade 2 adhesion, and 8 kg·cm of impact strength. The studies on scratch repairing and aging resistance indicated that microcapsules helped to slow down the coating’s damage and retard aging. After a microcrack appeared, the waterborne coating with microcapsules on Beli wood’s surface had the capacity to repair itself. After aging, the coating with 3.0 wt.% transparent shellac microcapsule on Beli wood boards had a better performance on the comprehensive properties, with a 28.9% light loss rate and a 6 kg·cm impact resistance. It also had a 25.0% repairing rate in scratch width after being damaged for 5 d. This study advances the development of self-healing waterborne coatings on the wood board with shellac microcapsules by examining the effects of shellac in various colors and shellac microcapsule content in waterborne coatings.

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Gao, Jin, Wen Juan Yuan, Xiao Gang Li, Ying Chao Li, and Wei Zhu. "Electrochemical Analysis of the Fluorocarbon Anticorrosion Coating after Accelerated Weathering Environment Aging." Advanced Materials Research 239-242 (May 2011): 563–66. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.563.

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Fluorocarbon coating was exposed to artificial weathering environment produced by the xenon lamp/condensation weathering equipment for different time periods. The degradation process was studied by electrochemical impedance spectroscopy (EIS), Fourier Transform Infrared Spectrometry (FTIR) and optical microscope. The results show that the resistance of the coatings decrease ，while the capacitance and soakage become larger with the increase of the aging time. This demonstrates that the early aging of the coating influences its protective properties for the corrosion medium. The reason is the changes of the coating’s surface state and chemical structure accelerate the penetration of medium into the coatings, and therefore accelerate the corrosion of metal occurs under the coating.

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Chen, Cheng Zhou, Wei Ze Wang, and Kai Di Cheng. "A Comparative Study on the Wear and Corrosion Resistance of Coatings." Applied Mechanics and Materials 853 (September 2016): 441–45. http://dx.doi.org/10.4028/www.scientific.net/amm.853.441.

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The vessel containing sulfur particles has been found failing due to the effect of corrosion and erosion by the sulfur particles. Several coatings, including zinc-aluminum coating, wear-resistance painting and two kinds of polymer, have been provided to resist the negative influence of sulfur in the present study. The wear and corrosion resistance of the selected coatings has been measured to study the performance difference. Impact test has also been done to investigate the bonding condition of coatings under the impact or bending load. The microstructure of coatings before and after wear test is observed by the Optical Microscope (OM) and Scanning Electron Microscope (SEM). The experiment results reveal that one of the polymer coatings shows the best performance in the corrosion resistance, another polymer coating’s wear resistance is better than others. The coatings are bonded well with the substrate except the zinc-aluminum coating. The performance of painting is ordinary in this investigation.

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Bull, S. J. "Nanomechanics of Coatings for Electronic and Optical Applications." Solid State Phenomena 159 (January 2010): 11–18. http://dx.doi.org/10.4028/www.scientific.net/ssp.159.11.

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In most coating applications damage resistance is controlled by the mechanical properties of the coating, interface and substrate. For electronic and optical applications the design of coating-substrate systems has been predominantly controlled by their functional properties but more recently the mechanical response of the system has been used to enhance functional properties, as in the case of strained silicon/SiGe microelectronic devices where tensile strain has been used to enhance mobility and increase device speed. As coatings become more complex, with multilayer and graded architectures now in widespread use, it is very important to obtain the mechanical properties (such as hardness, elastic modulus, fracture toughness, etc.) of individual coating layers for use in design calculations and have failure-related design criteria which are valid for such multilayer systems. Nanoindentation testing is often the only viable approach to assess the damage mechanisms and properties of very thin coatings (<m) since it can operate at the required scale and provides fingerprint of the indentation response of the coating/substrate system. If coating properties are to be assessed, the key point is to ensure any measured value is free from the influence of the deforma-tion of the substrate or lower coating layers. Finite element analysis of indentation load displace-ment curves can be used to extract materials properties for design; as coating thicknesses decrease it is observed that the yield strength required to fit the curves increases and scale-dependent materials properties are essential for design. Since plasticity is less likely, non-linear elasticity is increasingly important as the size of a nanostructure is reduced. Similarly the assessment of fracture response of very thin coatings requires modeling of the indentation stress field and how it is modified by plas-ticity during the indentation cycle. An FE approach using a cohesive zone model has been used to assess the locus of failure and demonstrates the complexity of adhesive failure around indentations for multilayer coatings. Finally the mechanical design of a metallization stress sensor based on na-noindentation-derived materials properties, non-linear elastic and plastic behavior and the treatment of geometrical non-linearities (stress stiffening) is discussed.

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Qin, Wei, Xiao Hong Wu, Gui Mei Zhao, Xiao Ming Lai, and Li Gong Zhang. "Optical Absorption Properties of Nanotitanium Dioxide Doped ZnO/Silicone Thermal Control Coating." Materials Science Forum 546-549 (May 2007): 1725–28. http://dx.doi.org/10.4028/www.scientific.net/msf.546-549.1725.

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As a kind of white paint, ZnO/silicone thermal control coatings are used commonly in space. In order to implement more effective thermal control in space, nanotitanium dioxide was doped to the coatings. In this paper, different percent of nanotitanium dioxide was appended to the coatings, and thermal control principle was discussed. Optical properties of these coatings were discussed by spectrophotometry and infrared reflectometer. The experimental results show that solar absorptance (αs) of nanotitanium dioxide doped ZnO/silicone thermal control coating is lower in all wavelength region than the coatings without doping, especially in visible region and infrared region. The total solar absorptance of 1% nanotitanium dioxide doped coating is 0.09, which decreases by 36% than the undoped coating..

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Mari, Alexandra, Charilaos Fafalis, and Magdalini Krokida. "Evaluation of Edible Coatings from Components from Chlorella vulgaris and Comparison with Conventional Coatings." Coatings 14, no. 5 (May 14, 2024): 621. http://dx.doi.org/10.3390/coatings14050621.

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The present customer demand for ready-to-eat food items with higher nutritious value and longer shelf life necessitates creative solutions. An edible coating is a sustainable packaging solution that can prevent food deterioration and preserve food quality. Proteins, starch, and the addition of plasticizers are used to create edible coatings. The aim of this study was to develop coating solutions that can best preserve food using isolated starch and proteins from Chlorella vulgaris, and then compare them to coatings that comprise conventional ingredients like chitosan and starch. A number of criteria pertaining to the coatings’ mechanical, optical, thermal, and physical properties were tested. The alternative coatings performed just as well as the conventional ones, with the protein algal coating exhibiting the best thermal, optical, and physical qualities. The food product that needs to be coated can determine which coating is ideal. In conclusion, edible coatings derived from Chlorella vulgaris offer a sustainable solution to preserve ready-to-eat food items, showcasing comparable performance to conventional coatings.

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Chekan, N. M., I. P. Akula, E. P. Shpak, and A. N. Navitskii. "Structure and optical properties of diamond-like carbon coatings." Proceedings of the National Academy of Sciences of Belarus, Physical-Technical Series 63, no. 3 (November 1, 2018): 280–89. http://dx.doi.org/10.29235/1561-8358-2018-63-3-280-289.

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Using a hybrid method of cathodic arc (PVD) and chemical (CVD) deposition from the gas phase, a new type of coatings containing high amount of sp3 bonds of carbon, capable of absorbing effectively light has been developed.This thin film material is a promised one for optical devices operating in open space environment as antireflective coating for photoreceiver bodies. The hybrid method permits to obtain effective light absorbing coatings having excellent mechanical and tribological properties and is able to sustain temperature cycling in a range from plus 150 to minus 100 oC. The optical characteristics of DLC coatings were studied depending on the content of sp2bound content. The combined physical and chemical deposition of DLC coatings allows to achieve a sufficiently high light absorption (a~10 5 cm–1) and low reflection with a relatively small coating thickness about 1 mm. It has been established that the antireflective properties of such coatings depend on the conditions for their preparation, first of all on hydrocarbon gas pressure

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Dissertations / Theses on the topic "Optical coatings"

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Henderson, Philip Simon. "Durable optical coatings on glass." Thesis, University of Salford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.395663.

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Jota, Thiago, and Thiago Jota. "Polarization Aberrations of Optical Coatings." Thesis, The University of Arizona, 2017. http://hdl.handle.net/10150/624138.

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This work does not limit itself to its title and touches on a number of related topics beyond it. Starting with the title, Polarization Aberrations of Optical Coatings, the immediate question that comes to mind is: what coatings? All coatings? Not all coatings, but just enough that a third person could take this information and apply it anywhere: to all coatings. The computational work-flow required to break-down the aberrations caused by polarizing events (3D vector forms of reflection and refraction) in dielectric and absorbing materials and for thick and thin films is presented. Therefore, it is completely general and of interest to the wide optics community. The example system is a Ritchey-Chrétien telescope. It looks very similar to a Cassegrain, but it is not. It has hyperbolic surfaces, which allows for more optical aberration corrections. A few modern systems that use this configuration are the Hubble Space Telescope and the Keck telescopes. This particular system is a follow-up on this publication, where an example Cassegrain with aluminum coatings is characterized, and I was asked to simply evaluate it at another wavelength. To my surprise, I found a number of issues which lead me to write a completely new, one-of-its-kind 3D polarization ray-tracing code. It can do purely geometrical ray-tracing with add-on the polarization analysis capability, and more importantly: it keeps your data at your fingertips while offering all the outstanding facilities of Mathematica. The ray-tracing code and its extensive library, which can do several advanced computations, is documented in the appendix. The coatings of the Ritchey-Chrétien induce a number of aberrations, primarily, but not limited to: tilt, defocus, astigmatism, and coma. I found those forms to exist in both aluminum and with a reflectance-enhancing dielectric quarter-wave multilayer coating over aluminum. The thickness of the film stack varies as function of position to present a quarter-wave of optical thickness to oblique rays. Most commercial optical software that I know cannot compute this. And the results are impressive: the scalar transmission, which is a measure of ray efficiency, was raised from 78% to 95%. This means that only 5% of the incident light is lost, assuming ideal coating interfaces. This is very advantageous, considering the application: coronagraphs for exoplanet detection. Exoplanets are very far away, and therefore efficient use of light is essential. I also created a ray! I call it Huygens' twin ray. It is credited to Christiaan Huygens, who postulated that points on a wavefront can be considered as a sources of secondary spherical wavelets. This concept normally belongs to physical optics. The twin ray is emitted from the exact same object point but traced in a slightly different direction, which can be assumed by invoking Huygens's principle, and defined in a special way that consistently prevents vignetting. This requires high-precision ray-tracing, which is introduced along with this thesis work as part of the appendix. The application of this concept is exemplified in finding the exit pupil of the Ritchey-Chrétien telescope. It can be modified to work in a plurality of cases and find the precise image location in three-dimensions, making it completely general and useful. Mastering the ray-tracing documented here depends on how much optics the user knows, but tracing a single ray is something that can be learned in minutes. I welcome you to freely use it and make it your own. If your goal is to learn to ray-trace in Mathematica, the reader is directed to the appendix, especially to the four-port polarimeter example, as it is a 3D system that contains both reflection and refraction through thin films, thick films, retarders, and a single surface is traced at a time!

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Inci, M. Naci. "Optical coatings for fibre optic sensors." Thesis, Heriot-Watt University, 1992. http://hdl.handle.net/10399/1455.

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Messerly, Michael Joseph. "Ion-beam analysis of optical coatings." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184273.

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Rutherford backscattering spectrometry (RBS) is shown to be an elegant, powerful tool for the chemical characterization of optical coatings. RBS studies of several thin film materials are presented to illustrate the technique's unique abilities, and to show how RBS is best exploited in investigations of thin film stoichiometry and diffusion. The text begins with an introduction to optical coatings and the practical problems encountered in their implementation. The basic principles of RBS are discussed, and the technique is compared to other popular surface analysis tools. The introductory material concludes with a chapter devoted to specific techniques for RBS data and error analysis, including the derivation of a simple formula for determining the optimum thickness of multi-element samples. The accurate stoichiometric measurements provided by RBS give new insights into the chemical structure of ion-bombarded MgF₂ coatings. The analysis shows that lightly-bombarded coatings contain a small oxygen fraction (< 6%), and the absence of this oxygen in opaque, heavily-bombarded samples implies the oxygen compensates for fluorine deficiencies and is therefore an essential ingredient for transparent films. This beneficial oxygen appears to diffuse into the coatings along columnar voids, and the implied compromise between packing density and transparency is discussed. The final chapter takes advantage of the nondestructive depth-profiles provided by RBS. We present the first direct experimental verification of the interfacial oxide layer responsible for the superior adhesion of aluminum to glass, and show that contrary to popular belief, the layer is not an artifact of oxygen adsorbed during the aluminum's evaporation. We then discuss the diffusion of copper through silver films, and show that the migration is enhanced by exposure to the RBS probe beam. Finally, we consider the diffusion of carbon, from graphite substrates, into the voids of porous coatings during the RBS measurements. This effect, like the enhanced copper diffusion, is consistent with a low temperature, measurement-induced anneal; however, we show that the migrant carbon does not alter the chemical structure of the coatings, but instead serves as a convenient, non-intrusive indicator of film porosity.

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Giatti, Brandon. "Optical Properties of Nanostructured Dielectric Coatings." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1940.

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Solar cells have extrinsic losses from a variety of sources which can be minimized by optimization of the design and fabrication processes. Reflection from the front surface is one such loss mechanism and has been managed in the past with the usage of planar antireflection coatings. While effective, these coatings are each limited to a single wavelength of light and do not account for varying incident angles of the incoming light source. Three-dimensional nanostructures have shown the ability to inhibit reflection for differing wavelengths and angles of incidence. Nanocones were modeled and show a broadband, multi-angled reflectance decrease due to an effective grading of the index. Finite element models were created to simulate incident light on a zinc oxide nanocone textured silicon substrate. Zinc oxide is advantageous for its ease of production, benign nature, and refractive index matching to the air source region and silicon substrate. Reflectance plots were computed as functions of incident angle and wavelength of light and compared with planar and quintic refractive index profile models. The quintic profile model exhibits nearly optimum reflection minimization and is thus used as a benchmark. Physical quantities, including height, width, density, and orientation were varied in order to minimize the reflectance. A quasi-random nanocone unit cell was modeled to better mimic laboratory results. The model was comprised of 10 nanocones with differing structure and simulated a larger substrate by usage of periodic boundary conditions. The simulated reflectance shows approximately a 50 percent decrease when compared with a planar model. When a seed layer is added, simulating a layer of non-textured zinc oxide, on which the nanocones are grown, the reflectance shows a fourfold decrease when compared with planar models. At angles of incidence higher than 75 degrees, the nanocone model outperformed the quintic model.

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Arnold, Matthew David, and n/a. "Growth and patterning of anisotropic optical coatings." University of Otago. Department of Physics, 2005. http://adt.otago.ac.nz./public/adt-NZDU20060811.155729.

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Physical vapour deposition at oblique angles produces coatings that have oriented internal structure, a consequence of self-shadowing and limited diffusion. Structured media have a number of useful properties, including form birefringence which affects the polarization of light. Whilst oblique deposition technology is mature, there is room for further exploration to open up new applications and provide further insight. One door only recently opened is lithographic patterning, and this thesis seeks to map out part of that frontier. Lithography allows rapid replication of a pattern, and is being extended to the nano-scale, via two routes identified as "top-down" and "bottom-up". In this thesis bottom-up processing is pursued as a secondary theme, developing computer programs for investigation of the effect of substrate patterning on growth and subsequent birefringence. The primary focus is the application of top-down patterning to obliquely-deposited polarizing elements, for the production of pixellated polarizing arrays. The growth of obliquely deposited coatings is well understood, and the process has been developed using dynamic substrate rotation to produce several interesting morphologies. Standard results of computer simulations are replicated for illustration. The relationship between morphology and optical properties has been extensively studied from an empirical standpoint, resulting in production of polarizing elements such as retarders, linear- and circular- polarizers. Surprisingly little study has focussed on simulation of the optical anisotropy of arbitrary structures, and here programs are developed for initial prediction of the birefringence of coatings deposited over patterned substrates. Top-down patterning approaches are directly applied to obliquely-deposited dielectric coatings. Standard reactive ion etching protocols are tested, particularly for silicon films, measuring the effect of deposition parameters on etch-rate. Lift-off patterning at significantly oblique angles requires special attention, and an undercut tri-layer process is developed, resulting in patterning of chiral oxide films. Additionally a novel masking process is developed, that allows the production of pixellated arrays comprised of different polarizers in a single coating operation. One such array is used as the essential component in the production of a space-multiplexed array polarimeter.

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Jarzebinska, Renata. "Tapered optical fibre sensors employing nanostructured coatings." Thesis, Cranfield University, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/5585.

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Tapered optical fibres have been manufactured, characterised and studied. These are compact devices made from single-mode optical fibre. A system for producing tapers has been developed, employing flame heating of the optical fibre and computer controlled rotation stages to stretch the fibre in a controlled and repeatable fashion. Subsequently tapered fibres were coated with nanostructured films of materials that change their optical properties in response to an external stimulus. An investigation of the effect of depositing chemically sensitive nano-scale films onto tapered optical fibres has been undertaken. Three different methods of deposition were applied: Langmuir-Blodgett technique, electrostatic-self-assembly and – for the first time - chemical grafting. Six different films of materials were deposited onto tapered fibres: 4-[2-(4-dimethylamino- naphtalen-1-yl)-vinyl]-1-octadecyl-quinolinium iodide (merocyanine dye), calix[4]resorcinarene, bilayers of poly(allyamine hydrochloride) (PAH) and anionic tetrakis(4-sulfophenyl)porphine (TSPP), PAH and cyclodextrine, TiO2 nanoparticles imprinted with ((1-(4-Nitrophenylazo)-2-naphthol (NPAN) compound), polyaniline (PANI). During the deposition process the light was launched into each fibre and the evolution of the transmission spectrum observed. The coated tapers were subsequently investigated for their potential application as chemical sensors: pH, red-ox, ammonia sensors. The response to a stimulus was investigated by immersing the coated tapered fibre in an environment containing the measurand. The properties of these devices were also used in combination other photonics concepts, such as fibre Bragg gratings written in the tapered region of a fiber, under investigation within the Engineering Photonics Group to develop new sensor elements.

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Meister, Stefan. "Functional optical coatings on fiber end faces." Berlin mbv, Mensch-und-Buch-Verl, 2008. http://d-nb.info/995879184/04.

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Boudreau, Marcel Gerard. "Optical coatings for improved semiconductor diode laser performance." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ30075.pdf.

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Boudreau, Marcel G. "Optical coatings for improved semiconductor diode laser performance /." *McMaster only, 1997.

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Books on the topic "Optical coatings"

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Stenzel, Olaf. Optical Coatings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54063-9.

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Kaiser, Norbert, and Hans K. Pulker, eds. Optical Interference Coatings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-36386-6.

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Nicholson, James. Future for optical coatings. Norwalk, CT: Business Communications Co., 1996.

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Lori, Weisenbach, Nicholson James 1966-, and Business Communications Co, eds. Future for optical coatings. Norwalk, CT: Business Communications Co., 2003.

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Baumeister, Philip. Optical coating technology. Bellingham, WA: SPIE Optical Engineering Press, 2004.

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Baumeister, Philip. Optical coating technology. Bellingham, WA: SPIE, 2004.

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America, Optical Society of, ed. Optical interference coatings: Postconference digest. Washington, DC: Optical Society of America, 2001.

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1932-, Weber Marvin J., ed. Optical materials: Applications, coatings, and fabrication. Boca Raton, Fla: CRC Press, 1987.

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Ray, Jacobson Michael, ed. Selected papers on characterization of optical coatings. Bellingham, Wash., USA: SPIE Optical Engineering Press, 1992.

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Ray, Jacobson Michael, ed. Selected papers on deposition of optical coatings. Bellingham, Wash., USA: SPIE Optical Engineering Press, 1989.

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Book chapters on the topic "Optical coatings"

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Apollonov, Victor V. "Optical Coatings." In Springer Series in Optical Sciences, 107–12. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10753-0_9.

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Stenzel, Olaf. "Introduction." In Optical Coatings, 1–17. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54063-9_1.

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Stenzel, Olaf. "Strongly Porous Materials and Surface Structures." In Optical Coatings, 259–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54063-9_10.

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Stenzel, Olaf. "Dielectric Mixtures." In Optical Coatings, 269–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54063-9_11.

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Stenzel, Olaf. "Metal Island Films." In Optical Coatings, 279–315. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54063-9_12.

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Stenzel, Olaf. "Concluding Remarks." In Optical Coatings, 317–19. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54063-9_13.

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Stenzel, Olaf. "Basic Knowledge on Optical Constants." In Optical Coatings, 21–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54063-9_2.

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Stenzel, Olaf. "Plane Interfaces." In Optical Coatings, 55–80. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54063-9_3.

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Stenzel, Olaf. "Thin Films, Substrates, and Multilayers." In Optical Coatings, 81–113. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54063-9_4.

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Stenzel, Olaf. "Experimental Determination of Thin Film Optical Constants." In Optical Coatings, 117–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54063-9_5.

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Conference papers on the topic "Optical coatings"

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Mizuno, Rogerio Jun, Toshio Kato, Yasuhiko Aoki, and Kenichi Iga. "An optical network unit (ONU) chip based on stacked planar optics." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 1997. http://dx.doi.org/10.1364/oic.1998.wb.4.

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In order to provide new services to the subscriber, some sophisticated system configurations based on a full fiber-optic access network such as Fiber-to-the-Home (FTTH)1) are required. In such systems, an optical network unit (ONU) working as a wavelength division multiplexing (WDM) transmitter/receiver module will become one of the key elements. To make the FTTH economically feasible, a low cost WDM module suitably designed for mass production has to be developed. Although several researches have been carried out in effort to achieve such cost-effective modules2,3), further investigations and new concepts are necessary to completely establish the optical subscriber network technology. This goal might be achieved with modules that properly combine different technologies. We introduce two of them: 1) dielectric multilayered filters, and 2) stacked planar optics4). With advances in thin-film technology, thin-film multilayered filters have been attracting significant interest for application to optical communication systems due to their high design flexibility and excellent optical performance. These filters can play a very important role in WDM modules. The stacked planar optics has been proposed to overcome the problem with alignment providing a passive alignment and simplification of both fabrication and assembly processes of optical devices. With this technology, it is also possible to realize very compact microoptics devices. Thus, low cost ONU modules suitable for mass production are expected.

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2

Jacobson, R. D., S. R. Wilson, G. A. Al-Jumaily, and J. R. McNeil. "Comparison of Optical Scatterometer and Optical Profilometer Techniques for Microstructure Characterization of Optical Surfaces." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oic.1988.tua15.

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Many systems have been devised to characterize smooth surfaces. Some systems measure the optical scatter characteristics of surfaces to provide information concerning surface microstructure; examples include the angle-resolved scatter apparatus (scatterometer) and the total integrated scatter (TIS) apparatus. Other instruments measure the surface profile more directly; examples include the mechanical profilometer (e.g. Talystep and Dektak) and the optical profilometer (e.g. WYKO). The optical profilometer measures the optical phase of a surface to derive a surface profile. If the sample is coated with optically transmitting films, the "surface" is not well defined optically. For these samples, strictly speaking, none of the optical techniques should be used to determine surface microstructure.

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3

Cole, C., and J. W. Bowen. "Synthesis method for visible and infrared broadband spaceflight anti reflection coatings." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 1995. http://dx.doi.org/10.1364/oic.1995.mb9.

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Broadband antireflection coatings are indispensable for spaceflight refractive optics, suppressing the ghosting of images and increasing the throughput of the optical elements. These coatings are required to be resistant to abrasion and radiation exposure, while operating over a bandwidth of typically 2 or 3 orders. The range of available thin-film materials is therefore restricted for these coatings and so any optimization routine is likewise restricted in its search for an optimal design. Existing refining or synthesis methods1 modify multilayer antireflection coating designs to an extent, but there is still no guarantee that the final design is the best which can be achieved for the given design parameters. Choosing the coating starting design, thin film materials, optimization routine and target function is of paramount importance in achieving the coating with the best performance. A synthesis routine for a computer is therefore outlined which will achieve optimal broadband antireflection coatings for spaceflight use by a judicious choice of starting design and a powerful optimization routine.

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4

Emmanuel Villa-Flores, EVF, and RMM Roberto Machorro-Mejía. "Analysis of the Influence of the Spectral Response for Rugate Filters by Modifying the Frequency Domain." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/oic.2022.ta.12.

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The influence of rugate filters optical thicknesses for achieving accurate spectral responses is theoretically demonstrated using the Fourier synthesis method. Optimal optical thickness considering experimental reproduction is also discussed.

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5

Cooksey, Catherine. "NIST Optical Properties of Materials Capabilities." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/oic.2022.thb.10.

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The development of thin-film optics requires tools to interrogate their optical properties. This paper summarizes the National Institutes of Standards and Technology’s capabilities for measuring the optical properties of materials.

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6

Herrmann, R., R. Goetzelmann, and R. Schneider. "Stability of Dielectric Multilayer Coatings Produced by Different Coating Technologies." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oic.1988.thd11.

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Multilayer dielectric filters exhibit a more or less strong shift of their spectral properties when subjected to environmental changes such as changing humidity or temperature. The shift depends on the type of coating materials used and their internal structure. The structure is influenced by the process technology applied for the production of the filters.

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7

Schulz, U., N. Kaiser, and A. Zöller. "Plasma Surface Modification and Coating of PMMA." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 1997. http://dx.doi.org/10.1364/oic.1998.tuf.2.

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Inexpensive, light weight polymers offer significant cost saving and design flexibility for optical applications. Polymethylmethacrylate (PMMA) is the most often used polymer in precision optics. It shows excellent optical properties and can easily be manufactured to form components of complicated geometry by injection molding. However, the use of plastics for optical applications is limited by physical properties of organic polymers[1,2]. The application fields for plastic optics could be expanded by coating the components. Thin anorganic films are effective to realize optical functions and to improve scratch resistance and environmental durability. Thermally induced stress caused by the different thermal expansion of organic substrate and anorganic thin films, as well as, low deposition temperatures are main problems in coating polymers. In addition, because of differing chemical behavior, each kind of polymer requires its special pre-treatment to realize sufficient adherence.

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8

Tikhonravov, Alexander V., Michael K. Trubetskov, and Gary DeBell. "The Application of Needle Optimization to the Synthesis of Optical Interference Coatings." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 1995. http://dx.doi.org/10.1364/oic.1995.mb15.

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The problem of optical coating design was first formulated as an optimization problem by Philip Baumeister in 1958 [1]. This approach is now the most widely used design technique for optical thin films. When formulated as an optimization problem it is possible to apply all the powerful tools of modern computational mathematics to the design of optical coatings. However, in many cases numerical solution of the resulting optimization problems are extremely difficult due to the large number of local minima in the merit function. Virtually all optimization methods are subject to convergence at local minima and for this reason a search for the global minimum or even "a locally optimal minimum" is a formidable problem.

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9

Li, Lifeng. "Union of thin-film optics and diffractive optics: improving diffraction gratings with optical interference coatings." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 1997. http://dx.doi.org/10.1364/oic.1998.fa.1.

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Both diffraction gratings and optical interference coatings are used in a wide range of applications. While the basic theory of thin-film optics is well covered in many optics text books and many books on the design, fabrication and application of optical coatings have been published, the treatment of diffraction gratings in optics text books goes little beyond presenting the grating and to date only three books on diffraction gratings have been published. The book edited by Petit1 describes the electromagnetic theory of gratings. The book by Hutley2 concentrates on the physics of gratings. Complementing the above two, the recently published book by Loewen and Popov3 aims at the applications of gratings. In addition, a volume in SPIE’s milestone series, edited by Maystre4, contains many important papers in all aspects of gratings up to 1992.

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10

Stehle, J. L., A. Toussaere, and J. Ziss. "Nonlinear Optical Coating Indices and Thickness Measured by Spectroscopic Ellipsometry." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oic.1992.othe1.

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Reports on the topic "Optical coatings"

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Veloso, Rita Carvalho, Catarina Dias, Andrea Resende Souza, Joana Maia, Nuno M. M. Ramos, and João Ventura. Improving the optical properties of finishing coatings for façade systems. Department of the Built Environment, 2023. http://dx.doi.org/10.54337/aau541592743.

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The need to improve energy efficiency of the building stock has led to a continuous increase in the implementation of exterior thermal insulation systems, such as ETICS. Progressively, these systems are being applied with darker colours, increasing the concern for hygrothermal behaviour and durability. Despite the significant developed studies, very few reports regarding their optical properties are available. The optical and catalytic capacity turns nanomaterials into excellent candidates for use in finishing coatings with high solar reflectance with dark colours without affecting the aesthetic characteristics, thus improving the durability of such coatings. Our study targeted the development of innovative envelope systems by increasing their solar reflectance through new finishing coatings formulations with the inclusion of nanoparticles. For that, it is necessary to develop and optimize nanoparticles formulations to achieve a high near-infrared reflectance. Here, we studied how the incorporation of reflective nanomaterials influence the optical behaviour of a black colourant for a finishing coating, varying the concentration in the coating from 0 to 20%. Such optical performance was experimentally evaluated through spectral reflectance calculations using a modular spectrophotometer, which allowed an understanding of the relation between these properties and the morphological and structural characteristics of the nanoparticles. The results from such studies can help formulate new finishing coatings with increased near-infrared reflectance of buildings façades, using, for instance, more than one type of nanoparticle.

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2

PM Fourspring, DM DePoy, Jr TD Rahmlow, JE Lazo-Wasem, and EJ Gratrix. Optical Coatings for Thermophotovoltaic Spectral Control. Office of Scientific and Technical Information (OSTI), April 2004. http://dx.doi.org/10.2172/824867.

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3

Giatti, Brandon. Optical Properties of Nanostructured Dielectric Coatings. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.1939.

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4

David R. Clarke. Embedded Optical Sensors for Thermal Barrier Coatings. US: The Regents Of The University Of California, July 2006. http://dx.doi.org/10.2172/898969.

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David R. Clarke. Embedded Optical Sensors for Thermal Barrier Coatings. Office of Scientific and Technical Information (OSTI), December 2006. http://dx.doi.org/10.2172/922246.

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David R. Clarke. EMBEDDED OPTICAL SENSORS FOR THERMAL BARRIER COATINGS. Office of Scientific and Technical Information (OSTI), December 2004. http://dx.doi.org/10.2172/843110.

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David R. Clarke. Embedded Optical Sensors for Thermal Barrier Coatings. Office of Scientific and Technical Information (OSTI), November 2005. http://dx.doi.org/10.2172/875889.

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8

Barker, Amanda, Thomas Douglas, Erik Alberts, P. U. Ashvin Iresh Fernando, Garrett George, Jon Maakestad, Lee Moores, and Stephanie Saari. Influence of chemical coatings on solar panel performance and snow accumulation. Engineer Research and Development Center (U.S.), January 2024. http://dx.doi.org/10.21079/11681/48059.

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Solar panel performance can be impacted when panel surfaces are coated with substances like dust, dirt, snow, or ice that scatter and/or absorb light and may reduce efficiency. As a consequence, time and resources are required to clean solar panels during and after extreme weather events or whenever surface coating occurs. Treating solar panels with chemical coatings that shed materials may decrease the operating costs associated with solar panel maintenance and cleaning. This study investigates three commercial coatings for use as self-cleaning glass technologies. Optical and thermal properties (reflectivity, absorption, and transmission) are investigated for each coating as well as their surface wettability and particle size. Incoming solar radiation was continuously monitored and snow events were logged to estimate power production capabilities and surface accumulation for each panel. In terms of power output, the commercial coatings made little impact on overall power production compared to the control (uncoated) panels. This was attributable to the overall high transmission, low absorption, and low reflection of each of the commercial coatings, making their presence on the surface of solar panels have minimal impact besides to potentially shed snow While the coatings made no observable difference to increase power production compared to the control panels, the shedding results from video monitoring suggest both the hydrophilic or hydrophobic test coatings decreased snow accumulation to a greater extent than the control panels (uncoated). Controlling the wettability properties of the solar panel surfaces has the potential to limit snow accumulation when compared to uncoated panel surfaces.

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Raghavan, Seetha, Ranajay Ghosh, and Quentin Fouliard. In-situ optical monitoring of gas turbine blade coatings under operational extreme environments. Office of Scientific and Technical Information (OSTI), December 2022. http://dx.doi.org/10.2172/1908456.

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10

Sanders, D. M., W. Rogers, P. Crane, and R. Sargent. Defect Reduction in High Performance Optical Coatings Final Report CRADA No. TC-0359-92. Office of Scientific and Technical Information (OSTI), March 2018. http://dx.doi.org/10.2172/1430942.

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