Journal articles: 'Optics'

1

Masalov, Anatolii V. "Progress in Optics: encyclopedia of modern optics." Uspekhi Fizicheskih Nauk 174, no. 1 (2004): 110. http://dx.doi.org/10.3367/ufnr.0174.200401h.0110.

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2

Andersson, P. O., A. Persson, L. Thyléen, and G. Edwall. "Fibre optic interferometer using integrated optics." Electronics Letters 21, no. 6 (1985): 245. http://dx.doi.org/10.1049/el:19850175.

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3

Yanuary, Tio Hanif, and Lita Lidyawati. "Analisis Link Budget Penyambungan Serat Optik Menggunakan Optical Time Domain Reflectometer AQ7275." Jurnal Teknik Elektro 10, no. 1 (June 20, 2018): 36–40. http://dx.doi.org/10.15294/jte.v10i1.13996.

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An optical fiber is a high-speed telecommunication transmission medium. Principally, an optical fiber is made of a very fine glass fiber material, which is able to transmit light waves using light reflection method on the surface of the fiber optics core. An underground installation of the fiber optics makes this device robust from external interferences. However, the fiber optic cable performance should always be checked to maintain performance during data transmission process. One way to test fiber optics cable performance is by using an Optical Time - Domain Reflectometer (OTDR) device. This device sends a light wave from one point of the fiber optics cable. The light wave then returns when reaching the other point of the fiber optic cable while carrying some measurement parameters especially the physical length and attenuation of a fiber optic cable. The evaluation of the fiber optics cable performance requires the preparation, installation, and configuration of the OTDR. In this paper, we conducted evaluation on the performances of fiber optics cable. The data generated by the performed evaluation indicated an occurring attenuation on the fiber optics cable along 64.402 km of its lengths.

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4

Sieradzan, Andrzej. "Teaching geometrical optics with the ‘‘optic mirage’’." Physics Teacher 28, no. 8 (November 1990): 534–36. http://dx.doi.org/10.1119/1.2343139.

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5

Steier, William H., Antao Chen, Sang-Shin Lee, Sean Garner, Hua Zhang, Vadim Chuyanov, Larry R. Dalton, et al. "Polymer electro-optic devices for integrated optics." Chemical Physics 245, no. 1-3 (July 1999): 487–506. http://dx.doi.org/10.1016/s0301-0104(99)00042-7.

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6

Nikolov, Daniel K., Aaron Bauer, Fei Cheng, Hitoshi Kato, A. Nick Vamivakas, and Jannick P. Rolland. "Metaform optics: Bridging nanophotonics and freeform optics." Science Advances 7, no. 18 (April 2021): eabe5112. http://dx.doi.org/10.1126/sciadv.abe5112.

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The demand for high-resolution optical systems with a compact form factor, such as augmented reality displays, sensors, and mobile cameras, requires creating new optical component architectures. Advances in the design and fabrication of freeform optics and metasurfaces make them potential solutions to address the previous needs. Here, we introduce the concept of a metaform—an optical surface that integrates the combined benefits of a freeform optic and a metasurface into a single optical component. We experimentally realized a miniature imager using a metaform mirror. The mirror is fabricated via an enhanced electron beam lithography process on a freeform substrate. The design degrees of freedom enabled by a metaform will support a new generation of optical systems.

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Pârvulescu, Cǎtǎlin Corneliu, Elena Manea, Cǎtǎlin Tibeica, Munizer Purica, and Alina Popescu. "Design and Fabrication of the Bidirectional Micro-Optic Concentrator for Optical Radiation." Defect and Diffusion Forum 400 (March 2020): 21–31. http://dx.doi.org/10.4028/www.scientific.net/ddf.400.21.

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This paper presents the design and fabrication of a micro-optic concentrator for optical radiation based on coupled micro-lenses and micro-prism (micro – mirrors) arrays. This type of micro-optic concentrator is suitable for both terrestrial and spatial applications where optical radiation is redirected and coupled to small area photovoltaic cells or detection devices located in front of the waveguide edges. Analysis and design were performed for the 0.4-1.06µm spectral range using the COMSOL Multiphysics program and the Ray Optics geometric optics module. Simulations for ray-tracing have been modeled in order to optimize the geometries of micro-optics elements taking into account the optical parameters of the materials to be used (polymers and glass) in the process of micro-optic concentrator fabrication. Micro-lenses and micro-prism arrays were fabricated by the technique of molding in silicon molds and replication in polymeric materials using OrmoClear30 elastomer (n=1.56, UV exposure) and in UV-PDMS, KER4690 polymer, respectively. Assembling and the fabrication process of micro-optic concentrator allowed the achievement of an optical efficiency of 70 % efficiency.

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8

Mohammed, Abdulrazak A., and Ghassan A. QasMarrogy. "Thermal Dynamics in Optical Networks." ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY 12, no. 2 (July 25, 2024): 1–9. http://dx.doi.org/10.14500/aro.11395.

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The signal distribution of any fiber-optic network system is an important factor in optical communication, which determines the quality of the optical signal transmission. One of the important effects is the temperature degrees; that effect is on the main parameters of optical communication (of which the fiber optic is the main part). The main material in fiber optics is glass. And as is well known, temperature has a strong effect on the glass, especially the core of fiber optics, because the structure of fiber optics contains several glass layers with different refractive indexes. Hence, in the present article, the effect of temperature on the optical signal and other components of the optical network system has been analyzed and studied. The analysis includes aberration, dispersion, and distortion of the optical network communication signal. The result has been discussed and analyzed for variables in the BW of the spectral when the temperature changed.

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9

Mulyanto, Imam. "Analysis of Curvature in Fiber Optic Cable for Macrobending-Based Slope Sensor." Journal of Technomaterials Physics 3, no. 1 (February 26, 2021): 45–56. http://dx.doi.org/10.32734/jotp.v3i1.5540.

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The analysis of fiber optics for macro bending-based slope sensors using SMF-28 single-mode optical fibers has been successfully conducted. Fiber optics were treated to silicon rubber molding and connected with laser light and power meters to measure the intensity of laser power generated. The working principle was carried out using the macrobending phenomenon on single-mode optical fibers. The intensity of laser light in fiber optic cables decreases in the event of indentation or bending of the fiber optic cable. Power losses resulting from the macrobending process can be seen in the result of the information sensitivity of fiber optics to the change of angle given. From the results of the study, the resulting fiber optic sensitivity value is -0.1534o/dBm. The larger the angle given, the lower the laser intensity received by the power meter.

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10

HOTATE, Kazuo. "Special Issue on Fiber-Optics. Fiber Optic Gyros." Review of Laser Engineering 22, no. 4 (1994): 253–64. http://dx.doi.org/10.2184/lsj.22.253.

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11

Shiono, Teruhiro, and Hisahito Ogawa. "Planar-optic-disk pickup with diffractive micro-optics." Applied Optics 33, no. 31 (November 1, 1994): 7350. http://dx.doi.org/10.1364/ao.33.007350.

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12

Simara Azizova, Simara Azizova. "FIBER OPTIC SENSORS." PIRETC-Proceeding of The International Research Education & Training Centre 23, no. 02 (April 19, 2023): 94–100. http://dx.doi.org/10.36962/piretc23022023-94.

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In addition to the benefits, recent developments and cost reductions have sparked interest in fiber optical sensing. In order fiber optic sensors must be made, researchers integrated optoelectronic devices with fiber optic telecommunications' byproducts. In the past few decades, numerous studies using various research methods and fiber optic sensors have been carried out. The most popular sensor types for fiber optics are those based on intensity, phase, and wavelength. An overview of optic sensors and their uses is provided in this paper. Keywords: Fiber optics, smart systems, interferometry, microbending, and fiber Bragg gratings (FBGs)

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13

Wu, Xiaoqin, and Limin Tong. "Optical microfibers and nanofibers." Nanophotonics 2, no. 5-6 (December 16, 2013): 407–28. http://dx.doi.org/10.1515/nanoph-2013-0033.

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AbstractAs a combination of fiber optics and nanotechnology, optical microfibers and nanofibers (MNFs) have been emerging as a novel platform for exploring fiber-optic technology on the micro/nanoscale. Typically, MNFs taper drawn from glass optical fibers or bulk glasses show excellent surface smoothness, high homogeneity in diameter and integrity, which bestows these tiny optical fibers with low waveguiding losses and outstanding mechanical properties. Benefitting from their wavelength- or sub-wavelength-scale transverse dimensions, waveguiding MNFs exhibit a number of interesting properties, including tight optical confinement, strong evanescent fields, evident surface field enhancement and large and abnormal waveguide dispersion, which makes them ideal nanowaveguides for coherently manipulating light, and connecting fiber optics with near-field optics, nonlinear optics, plasmonics, quantum optics and optomechanics on the wavelength- or sub-wavelength scale. Based on optical MNFs, a variety of technological applications, ranging from passive micro-couplers and resonators, to active devices such as lasers and optical sensors, have been reported in recent years. This review is intended to provide an up-to-date introduction to the fabrication, characterization and applications of optical MNFs, with emphasis on recent progress in our research group. Starting from a brief introduction of fabrication techniques for physical drawing glass MNFs in Section 2, we summarize MNF optics including waveguiding modes, evanescent coupling, and bending loss of MNFs in Section 3. In Section 4, starting from a “MNF tree” that summarizes the applications of MNFs into 5 categories (waveguide & near field optics, nonlinear optics, plasmonics, quantum & atom optics, optomechanics), we go to details of typical technological applications of MNFs, including optical couplers, interferometers, gratings, resonators, lasers and sensors. Finally in Section 5 we present a brief summary of optical MNFs regarding their current challenges and future opportunities.

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14

Rahmatian, Farnoosh, Hiroshi Kato, Nicolas A. F. Jaeger, Robert James, and Ezio Berolo. "Slow-wave electrodes on GaAs for integrated electro-optic modulators." Canadian Journal of Physics 74, S1 (December 1, 1996): 35–38. http://dx.doi.org/10.1139/p96-828.

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Slow-wave electrodes that are suitable for use in integrated-optics, electro-optic modulators were fabricated and tested. Measurements of the microwave indices on a number of these electrodes show that sufficient slowing can be obtained to match the velocities of modulating microwaves to optical waves in graded-index AlxGa1−xAs waveguides for a wide range of mole fraction, x. Calculations based on the measured losses, for integrated-optics, electro-optic modulators in which the velocity-match condition has been achieved, indicate that devices having optical bandwidths >100 GHz should be possible using the electrodes presented.

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15

S. Kavitha. "An Overview of Free Space Optics Communication System." December 2022 4, no. 4 (November 10, 2022): 222–29. http://dx.doi.org/10.36548/jsws.2022.4.001.

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Free space optics is a kind of broadband communication technique that transmits the signals, in the atmosphere through laser beams. In some cases, the laser beams are replaced with infrared and modified beams. Free Space Optics (FSO) is also referred as Free Space Photonics that works same as the principle of fiber optic communication where the source beams are transferred through air medium. In the traditional fiber optic communication, the optical fibers were used for transferring the beam signals. The FSO methodology is widely employed in various ubiquitous applications for their cost and deployment effectiveness. The motive of the work is to explore the concepts and theories behind the operation of different FSO models with their recent progress.

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16

Duarte, F. J. "Tunable laser optics: Applications to optics and quantum optics." Progress in Quantum Electronics 37, no. 6 (November 2013): 326–47. http://dx.doi.org/10.1016/j.pquantelec.2013.09.001.

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17

Moslehi, Behzad, Joel Ng, Ivan Kasimoff, and Tomasz Jannson. "Fiber-optic coupling based on nonimaging expanded-beam optics." Optics Letters 14, no. 23 (December 1, 1989): 1327. http://dx.doi.org/10.1364/ol.14.001327.

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18

DiGiovanni, David J., Ming-Jun Li, and Alan E. Willner. "Fiber optic nanotechnology: a new frontier of fiber optics." Nanophotonics 2, no. 5-6 (December 16, 2013): 311–13. http://dx.doi.org/10.1515/nanoph-2013-0053.

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19

Holman, Robert L., Lynda M. Althouse Johnson, and Doyle P. Skinner. "Desirability Of Electro-Optic Materials For Guided-Wave Optics." Optical Engineering 26, no. 2 (February 1, 1987): 262134. http://dx.doi.org/10.1117/12.7974039.

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20

Lalanne, Philippe, and Eric Johnson. "Diffractive Optics and Micro-optics." Journal of the Optical Society of America A 23, no. 1 (January 1, 2006): 152. http://dx.doi.org/10.1364/josaa.23.000152.

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21

Mait, Joseph N., and Hans Peter Herzig. "Diffractive Optics and Micro-optics." Journal of the Optical Society of America A 18, no. 11 (November 1, 2001): 2862. http://dx.doi.org/10.1364/josaa.18.002862.

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22

Otieno, Godfrey. "Stream Theory." Journal of Physical Sciences 6, no. 1 (September 29, 2024): 13–55. http://dx.doi.org/10.47941/jps.2268.

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Purpose: The main objective of this research was trying to solve the misunderstood nature of light by introducing and studying fluid optic and its influence on physical science. Methodology: The research adopted observation and a study of already published online and school library books on optics and physical science. Observation is always the best approach to quote a natural occurrence and behavior, the researcher observed the behaviour of thin light by isolating themself for a long time in a dark room having roof holes. Findings: The research findings revealed that; light is not basically a wave, a particle or a photon. Light is sensibly a fluid. Fluid optics has no assumptions and weaknesses as other earlier optical theories as fluid optics clearly brings the channels of light (The streams) and its close link, agreement and influence on physical science as physical nature is brought into focus. Unique contribution to Theory, Practice and Policy: Stream theory completely solves the mystery of light and brings proper understanding of optics now fluid optics. Adoption of the theory and its concepts completely exposes physical science into focus with ease in understanding the natural phenomenon related to optics as the theory avoids assumptions and connects geometrical optics and physical optics to one singular optical study (fluid optics) as a step to singularity achievement in physics. (It is that and it happened that way).

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23

Wartenberg, Philipp, Bernd Richter, Stephan Brenner, Johannes Zeltner, Christian Schmidt, Judith Baumgarten, Andreas Fritscher, Martin Rolle, and Uwe Vogel. "67‐4: Late‐News Paper: A New Semi‐transparent OLED‐on‐Silicon Microdisplay Technology Enabling New Optical Design Opportunities for Slim Near‐to‐Eye Optics." SID Symposium Digest of Technical Papers 55, no. 1 (June 2024): 930–33. http://dx.doi.org/10.1002/sdtp.17687.

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Due to their very high resolution and high level of technological maturity, OLED microdisplays are an ideal image generator for VR, AR and MR applications in near‐to‐eye optics. However, due to the silicon‐based backplane, these microdisplays have always been non‐transparent, requiring a complex optical system for integration into an optic. This has a significant impact on the weight, size and overall optical efficiency of the system. In this paper, a novel technology for the realization of semi‐transparent OLED‐on‐silicon microdisplays is presented, which enables completely new optical concepts for near‐to‐eye optics.

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24

Murphy, P. J., D. W. Jones, A. E. Lennert, and R. R. Jones. "Fiber Optics Based Jet Engine Augmenter Viewing System." Journal of Engineering for Gas Turbines and Power 111, no. 2 (April 1, 1989): 306–9. http://dx.doi.org/10.1115/1.3240252.

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An augmenter viewing system employing a coherent fiber-optic array was developed for use in jet engine testing applications at AEDC. Real-time viewing of the test article afterburner was obtained in a severe environment under high temperature and vibration levels. The optical system consisted of a conventional front-end lens assembly coupled with the fiber-optic array, and a solid-state color video camera mounted inside the test cell. The advantages and problems associated with a fiber-optics-based viewing system will be discussed in comparison with more conventional viewing techniques for this application.

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25

Renna, Marco, Adriano Peruch, John Sunwoo, Zachary Starkweather, Alyssa Martin, and Maria Angela Franceschini. "A Contact-Sensitive Probe for Biomedical Optics." Sensors 22, no. 6 (March 18, 2022): 2361. http://dx.doi.org/10.3390/s22062361.

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Capacitive proximity sensing is widespread in our everyday life, but no sensor for biomedical optics takes advantage of this technology to monitor the probe attachment to the subject’s skin. In particular, when using optical monitoring devices, the capability to quantitatively measure the probe contact can significantly improve data quality and ensure the subject’s safety. We present a custom novel optical probe based on a flexible printed circuit board which integrates a capacitive contact sensor, 3D-printed optic fiber holders and an accelerometer sensor. The device can be effectively adopted during continuous monitoring optical measurements to detect contact quality, motion artifacts, probe detachment and ensure optimal signal quality.

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26

SHAN, JIE, AJAY NAHATA, and TONY F. HEINZ. "TERAHERTZ TIME-DOMAIN SPECTROSCOPY BASED ON NONLINEAR OPTICS." Journal of Nonlinear Optical Physics & Materials 11, no. 01 (March 2002): 31–48. http://dx.doi.org/10.1142/s0218863502000845.

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We present a brief review of the use of nonlinear optics for broadband terahertz (THz) time-domain spectroscopy with femtosecond laser pulses. The generation of THz pulses is accomplished by optical rectification and coherent detection by electro-optic sampling or field-induced second-harmonic generation. The approach permits exceptional time response, as well as the possibility for multichannel detection schemes.

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27

Neher, Jon O. "Optics." Evidence-Based Practice 25, no. 7 (July 2022): 1. http://dx.doi.org/10.1097/ebp.0000000000001712.

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28

Ankerst, Mihael, Markus M. Breunig, Hans-Peter Kriegel, and Jörg Sander. "OPTICS." ACM SIGMOD Record 28, no. 2 (June 1999): 49–60. http://dx.doi.org/10.1145/304181.304187.

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29

Long, William F. "OPTICS." Optometry and Vision Science 68, no. 5 (May 1991): 393–94. http://dx.doi.org/10.1097/00006324-199105000-00015.

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30

Remole, Arnulf. "OPTICS." Optometry and Vision Science 68, no. 10 (October 1991): 824–25. http://dx.doi.org/10.1097/00006324-199110000-00016.

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31

Granet, Roger. "OPTICS." Palliative and Supportive Care 8, no. 3 (September 2010): 383. http://dx.doi.org/10.1017/s1478951510000210.

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32

Sillitto, R. M. "Optics." Journal of Modern Optics 34, no. 11 (November 1987): 1399–400. http://dx.doi.org/10.1080/09500348714551301.

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33

Sillitto, R. M. "Optics." Journal of Modern Optics 34, no. 12 (December 1987): 1511–12. http://dx.doi.org/10.1080/09500348714551431.

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34

Knight, P. L. "Optics." Journal of Modern Optics 35, no. 11 (November 1988): 1737. http://dx.doi.org/10.1080/09500348814551881.

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35

Baker, L. R. "Optics." Journal of Modern Optics 36, no. 3 (March 1989): 417. http://dx.doi.org/10.1080/09500348914550471.

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36

Winkler, Daniel A., Miguel Á. Carreira-Perpiñán, and Alberto E. Cerpa. "OPTICS." ACM Transactions on Sensor Networks 16, no. 3 (August 14, 2020): 1–38. http://dx.doi.org/10.1145/3372024.

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37

Walker, C. A. "Optics." Optics and Lasers in Engineering 11, no. 3 (January 1989): 219. http://dx.doi.org/10.1016/0143-8166(89)90033-x.

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38

Halliwell, N. A. "Optics." Optics and Lasers in Engineering 10, no. 1 (January 1989): 74. http://dx.doi.org/10.1016/0143-8166(89)90055-9.

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39

Ohta, H., E. Kulatov, J. S. Dodge, Yu Uspenskii, and S. Halilov. "OPTICS AND MAGNETO-OPTICS OF SrRuO3." Journal of the Magnetics Society of Japan 22, S_2_MORIS_97 (1998): S2_185–188. http://dx.doi.org/10.3379/jmsjmag.22.s2_185.

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40

Gale, Michael T. "Replicated Diffractive Optics and Micro-Optics." Optics and Photonics News 14, no. 8 (August 1, 2003): 24. http://dx.doi.org/10.1364/opn.14.8.000024.

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41

Magnusson, Robert, and Daniel Raguin. "Diffractive optics and micro-optics: introduction." Applied Optics 45, no. 1 (January 1, 2006): 14. http://dx.doi.org/10.1364/ao.45.000014.

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42

Moharam, M. G., Allen Cox, and Juergen Jahns. "Diffractive Optics and Micro-Optics Modeling." Journal of the Optical Society of America A 14, no. 7 (July 1, 1997): 136. http://dx.doi.org/10.1364/josaa.14.000136.

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43

Reim, W., J. Schoenes, and F. Hulliger. "Optics and magneto-optics of UAsSe." Physica B+C 130, no. 1-3 (May 1985): 64–65. http://dx.doi.org/10.1016/0378-4363(85)90185-8.

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44

Hbeeb, Sadeq. "Estimation of analytical model for enhancement and implementation of an electro-optic switch." Iraqi Journal for Electrical and Electronic Engineering 13, no. 2 (December 1, 2017): 166–72. http://dx.doi.org/10.37917/ijeee.13.2.3.

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This research presents a technique of an electro optic effect for enhancement the an accomplishment of an electro optics switch using Mat lab simulation program . this technique includes design a mathematical model for evaluate the effect of different parameters such as refractive index (n), distance of separation between waveguides (d), length of electrodes (L), relative refractive index (Δn), and switching voltage (V), on the DC bias voltage of an electro optics switch. In this work the investigation of performance of an electro optics switch by analysis of an effect of distance between waveguides and the changing of refractive index on the bias voltage (V), and which optimizes when the wavelength is from 1300 into 1550 nm. Finally, an electro-optic active switch is designed and optimized, using the analytical model and which considers important device in the modern optical communication system.

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45

OKAMOTO, Kazuhiro. "Special Issue on Fiber-Optics. Fiber-Optic Distributed-Temperature Sensing." Review of Laser Engineering 22, no. 4 (1994): 276–83. http://dx.doi.org/10.2184/lsj.22.276.

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46

Zenteno, L. A. "Design of a magneto-optic slab isolator for integrated optics." Optics Letters 12, no. 9 (September 1, 1987): 657. http://dx.doi.org/10.1364/ol.12.000657.

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47

Eghbal, Mina, and Jamshid Abouei. "Security Enhancement in Free-Space Optics Using Acousto-Optic Deflectors." Journal of Optical Communications and Networking 6, no. 8 (July 22, 2014): 684. http://dx.doi.org/10.1364/jocn.6.000684.

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48

Hunter, Boyd V., and Keng H. Leong. "Improving fiber-optic laser beam delivery by incorporating GRADIUM optics." Applied Optics 36, no. 13 (May 1, 1997): 2763. http://dx.doi.org/10.1364/ao.36.002763.

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49

Mishra, Rashmi Rekha, and Karmila Soren. "Optical BPSK Modulation and Demodulation using Opti System Simulator." International Journal of Inventive Engineering and Sciences 9, no. 1 (December 30, 2021): 1–4. http://dx.doi.org/10.35940/ijies.c1045.129121.

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Fibre optics deals with study of propagation of light through transparent dielectric waveguides. The fibre optics is used for transmission of data from point to point location. Fibre optic systems currently used are most extensively as the transmission line between terrestrial hardwired systems. The carrier frequencies used in conventional systems had the limitations in handling the volume and rate of the data transmission. Greater the carrier frequency larger is the available bandwidth and information carrying capacity. This paper explains about Optical BPSK, where input data is converted to BPSK data which is optically modulated by optical modulator and transmitted through an optical fibre cable. The transmitted data and received data are compared in the end.

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50

Garmire, Elsa. "Stimulated Brillouin Review: Invented 50 Years Ago and Applied Today." International Journal of Optics 2018 (December 2, 2018): 1–17. http://dx.doi.org/10.1155/2018/2459501.

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Stimulated Brillouin scattering (SBS) is embedded today in a variety of optical systems, such as advanced high-power lasers, sensors, microwave signal processors, scientific instrumentation, and optomechanical systems. Reduction in SBS power requirements involves use of optical fibers, integrated optics, micro-optic devices, and now nano-optics, often in high Q cavities. It has taken fifty years from its earliest invention by conceptual discovery until today for SBS to become a practical and useful technology in a variety of applications. Some of these applications are explained and it is shown how they are tied to particular attributes of SBS: phase conjugation, frequency shifts, low noise, narrow linewidth, frequency combs, optical and microwave signal processing, etc.

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Journal articles on the topic 'Optics'

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