Добірка наукової літератури з теми "Gradient index optics"
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Статті в журналах з теми "Gradient index optics":
Dylla-Spears, Rebecca, Timothy D. Yee, Koroush Sasan, Du T. Nguyen, Nikola A. Dudukovic, Jason M. Ortega, Michael A. Johnson, Oscar D. Herrera, Frederick J. Ryerson, and Lana L. Wong. "3D printed gradient index glass optics." Science Advances 6, no. 47 (November 2020): eabc7429. http://dx.doi.org/10.1126/sciadv.abc7429.
Gerasimova, L. A. "Gradient-index optics: optical testing methods." Journal of Optical Technology 67, no. 4 (April 1, 2000): 317. http://dx.doi.org/10.1364/jot.67.000317.
Chang, Chih-Hao, Jose A. Dominguez-Caballero, Hyungryul J. Choi, and George Barbastathis. "Nanostructured gradient-index antireflection diffractive optics." Optics Letters 36, no. 12 (June 15, 2011): 2354. http://dx.doi.org/10.1364/ol.36.002354.
Milojkovic, Predrag, Stefanie Tompkins, and Ravindra Athale. "Special Section Guest Editorial: Gradient Index Optics." Optical Engineering 52, no. 11 (November 8, 2013): 112101. http://dx.doi.org/10.1117/1.oe.52.11.112101.
Song, Seok Ho, Suntak Park, Cha Hwan Oh, Pill Soo Kim, Mu Hee Cho, and Yeong Sik Kim. "Gradient-index planar optics for optical interconnections." Optics Letters 23, no. 13 (July 1, 1998): 1025. http://dx.doi.org/10.1364/ol.23.001025.
Flores-Arias, M. T., C. Bao, A. Castelo, M. V. Perez, and C. Gomez-Reino. "Crossover interconnects in gradient-index planar optics." Optics Communications 266, no. 2 (October 2006): 490–94. http://dx.doi.org/10.1016/j.optcom.2006.05.049.
Krueger, Neil A., Aaron L. Holsteen, Seung-Kyun Kang, Christian R. Ocier, Weijun Zhou, Glennys Mensing, John A. Rogers, Mark L. Brongersma, and Paul V. Braun. "Porous Silicon Gradient Refractive Index Micro-Optics." Nano Letters 16, no. 12 (November 7, 2016): 7402–7. http://dx.doi.org/10.1021/acs.nanolett.6b02939.
Atchison, David A., та W. Neil Charman. "Thomas Youngʼs Investigations in Gradient-Index Optics". Optometry and Vision Science 88, № 5 (травень 2011): E580—E584. http://dx.doi.org/10.1097/opx.0b013e31821177b2.
Barbero, Sergio. "Thomas Youngʼs Investigations in Gradient-Index Optics". Optometry and Vision Science 88, № 11 (листопад 2011): 1391–92. http://dx.doi.org/10.1097/opx.0b013e3182302ee3.
Atchison, David A., та W. Neil Charman. "Thomas Youngʼs Investigations in Gradient-Index Optics". Optometry and Vision Science 88, № 11 (листопад 2011): 1392. http://dx.doi.org/10.1097/opx.0b013e3182302ef6.
Дисертації з теми "Gradient index optics":
Klug, Brian Robert, William Duncan, Colton Holmes, and Alexander Miles. "Terahertz Domain Rapid Prototyped Gradient Index Optics." Thesis, The University of Arizona, 2011. http://hdl.handle.net/10150/144543.
Miles, Alexander Ashton, Brian Klug, William Duncan, Colton Holmes, and Wanglei Han. "Terahertz Domain Rapid Prototyped Gradient Index Optics." Thesis, The University of Arizona, 2011. http://hdl.handle.net/10150/144910.
Miles, Alexander, William Duncan, Brian Klug, and Colton Holmes. "Rapid Prototyped Terahertz-Domain Gradient Index Optics: Computational Design, Simulation, and Manufacture." International Foundation for Telemetering, 2011. http://hdl.handle.net/10150/595744.
There are a myriad of applications for terahertz radiation: security, military radar, product inspection, and telecommunications. These require manipulation of the radiation beyond simple transmission and detection, namely refraction: focusing, defocusing, and collimation. The current state of the art fabrication of terahertz lenses is an expensive and time consuming processes; involving high purity semiconductors and months of lead time. Our project focused on demonstrating that an inexpensive and quick process could reduce the production investment required by more than three orders of magnitude. This process is based on fabrication using a novel gradient index structure produced with polymer-jetting rapid-prototyping machine.
Zheng, Xin. "Graded photonic crystal for silicon photonics." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPAST063.
Gradient photonic crystals (GPhCs) enable the engineering of their effective index, opening up new degrees of freedom in photonic device design. They can be understood through gradient index optics (GRIN optics), which describe inhomogeneous media in which light does not propagate along straight paths. This makes it possible to consider any index profile. This makes GPhCs particularly attractive for the miniaturization of optical components, especially in silicon photonics. They are based on the variation of a parameter of the photonic crystal elemental cell (PhC); here, the filling factor is varied so that the effective index of the GPhC achieves the desired index profile. The aim of this thesis is to explore the potential of GPhCs by designing graded-index devices on the Silicon-On-Insulator (SOI) "platform" at telecom wavelengths. The complete chain from design to device characterization, including simulation and manufacturing, is implemented. We focused on two typical gradient index optics instruments: the Mikaelian lens and the Half Maxwell Fish Eye (HMFE). In this thesis, we propose a new effective index approximation method for the SOI "platform", which we have validated by designing a Mikaelian lens (with a hyperbolic secant index profile). For such devices, two effective indices need to be taken into account: that of the guided mode in the Silicon layer and that of the PhC. In this method, the effective index of the PhC is first calculated to replace the index of the guided mode layer; then the effective index of this layer is calculated. Simulation results obtained using commercial software (FDTD method) show that the lens designed in this way satisfies the analytical predictions, contrary to the results obtained with commonly used methods. We then applied it to HMFE.The devices were then fabricated in the cleanroom by electron beam lithography (EBL) and plasma etching (ICP). The individual GPhCs consisted of periodically distributed air holes in the Silicon layer, with a minimum diameter of around 40 nm. They were then characterized in two stages, notably by near-field microscopy (SNOM). These devices are only a few wavelengths thick (approx. 3 or 5 λ_0), while their focal spot width is close to the diffraction limit (approx. 0.5 λ_0). They operate over a wavelength range of around 150 nm. The Mikaelian lens results have been used to develop a mode size converter (taper), which is effective over a few wavelengths. It is ten times shorter than a conventional converter. In this thesis, we also show how it is possible to interpret EM wave propagation in these graded-index components on the SOI platforms using the multimode interferometer principle. As they propagate, the different modes accumulate a phase difference, resulting in a mode beat that modifies the EM field distribution, leading to focusing. The characteristic length of this mode beat is equal to the focal length. All these devices are studied for integration into integrated photonics circuits
Wilson, Cynthia Nicole. "A Fully Customizable Anatomically Correct Model of the Crystalline Lens." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20130.
Nowosielski, Jedrzej M. "Nanostructured birefringent and gradient-index micro-optical elements." Thesis, Heriot-Watt University, 2014. http://hdl.handle.net/10399/2817.
Hsieh, Chih-Hung Ph D. Massachusetts Institute of Technology. "Design and manufacturing of all-dielectric optical metamaterial with gradient index of refraction." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/100120.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 103-106).
Gradient index (GRIN) materials offer the most general manipulation over wave fields of light compared to conventional refractive optics, where the light is deflected by the curved surface. The creative way to implementing GRIN optics is to construct a subwavelength structure with the electromagnetic characteristics that are unavailable via the natural material. This artificial GRIN structure also known as "metamaterial" can be classified into two general categories: film and slab GRIN optics, depending on the propagation direction of light penetrating through or propagating along the metamaterial. In this dissertation, two different purposes of all-dielectric GRIN optics on (1) film: light extraction enhancement of the scintillator; (2) slab: aberration-free focusing using Lüneburg lens, are both investigated. The scintillator made by ceramics like Lutetium Yttrium Orthosilicate (LYSO) possesses higher index of refraction at 1.82 than the surrounding environment, which causes extraction loss due to index mismatching and total internal reflection (TIR) from scintillator to photodetector. A hybrid structure including two-dimensional photonic slab covered by the nanocone structure on the top was devised to recycle the energy loss from TIR and to create an index-matching layer in between. Design parameters of the hybrid structure were optimized by the simulation based on rigorous coupled-wave analysis, and the fabrication of hybrid structure was patterned by nanospheres (for nanocone structure) and laser interference (for photonic slab) lithography, respectively. Reactive ion etching (RIE) facilitated pattern transfer after two separate lithography processes. Finally, the characterization of nanostructured scintillator was performed with the ionizing source. The rest of this research focuses on the implementation of the slab GRIN optics: Nanostructured Lüneburg lens. The Lineburg lens is an aberration-free lens that can perfectly focus light on the opposite edge of the lens area, and such property can be used for light coupling from fiber to waveguide in the Silicon photonics. We designed the nanostructured Lineburg lens on the silicon-on-insulator substrate using effective index of refraction computed by photonic band theory, and the fabrication was carried out by the e-beam lithography and RIE process. The device characterized by near-field scanning optical microscopy exhibited the single focusing behavior under fundamental mode illumination via the intensity map over the lens region. In addition, the bi-foci phenomenon under higher order mode illumination was also revealed in the finite difference time domain simulation, and the ray picture for explaining the bi-foci was also included using Wigner distribution function and Hamiltonian ray-tracings.
by Chih-Hung Hsieh.
Ph. D.
Dube, Zack. "Computational Reconstruction of the Physical Eye Using a New Gradient Index of Refraction Model." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34791.
Kamdar, Akshay R. "Miscibility and Structure-Property Relationships in Some Novel Polyolefins." Cleveland, Ohio : Case Western Reserve University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=case1234451598.
Abstract Department of Macromolecular Science and Engineering Title from PDF (viewed on 16 April 2009) Available online via the OhioLINK ETD Center
Bardin, Fabrice. "Capteur à fibre optique à gradient d'indice inversé basé sur la résonance plasmon de surface : applications à la détection d'espèces chimiques." Phd thesis, Université Jean Monnet - Saint-Etienne, 2001. http://tel.archives-ouvertes.fr/tel-00001575.
Книги з теми "Gradient index optics":
Gomez-Reino, Carlos, Maria Victoria Perez, and Carmen Bao. Gradient-Index Optics. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04741-5.
T, Moore Duncan, ed. Selected papers on gradient-index optics. Bellingham, Wash: SPIE Optical Engineering Press, 1993.
Gomez-Reino, Carlos. Gradient-Index Optics: Fundamentals and Applications. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002.
Gómez-Reino, Carlos. Gradient-index optics: Fundamentals and applications. Berlin: Springer, 2002.
Bociort, Florian. Imaging properties of gradient-index lenses. Berlin: Verlag Köster, 1994.
D, Rees James, Leiner Dennis C, Society of Photo-optical Instrumentation Engineers., and New Mexico State University. Applied Optics Laboratory., eds. Gradient-index optics and miniature optics: 8 April 1988, Orlando, Florida. Bellingham, Wash., USA: SPIE, 1988.
Gradient-Index Optical Systems Topical Meeting (1991 Monterey, Calif.). Gradient-index optical systems: Summaries of papers. Washington, DC: Optical Society of America, 1991.
Greĭsukh, G. I. Optics of diffractive and gradient-index elements and systems. Bellingham, Wash: SPIE Optical Engineering Press, 1997.
Gradient-Index Optical Systems Topical Meeting (1994 Rochester, N.Y.). Gradient index optical systems: Summaries of papers presented at the Gradient Index Optical Systems Topical Meeting, June 7-8, 1994, Rochester, New York. Washington, DC: Optical Society of America, 1994.
1969-, Suleski Thomas J., and Society of Photo-optical Instrumentation Engineers., eds. Gradient index, miniature, and diffractive optical systems II: 2-3 August 2001, San Diego, USA. Bellingham, Wash: SPIE, 2001.
Частини книг з теми "Gradient index optics":
Gomez-Reino, Carlos, Maria Victoria Perez, and Carmen Bao. "Light Propagation in GRIN Media." In Gradient-Index Optics, 1–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04741-5_1.
Gomez-Reino, Carlos, Maria Victoria Perez, and Carmen Bao. "Imaging and Transforming Transmission Through GRIN Media." In Gradient-Index Optics, 25–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04741-5_2.
Gomez-Reino, Carlos, Maria Victoria Perez, and Carmen Bao. "GRIN Lenses for Uniform Illumination." In Gradient-Index Optics, 43–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04741-5_3.
Gomez-Reino, Carlos, Maria Victoria Perez, and Carmen Bao. "GRIN Lenses for Gaussian Illumination." In Gradient-Index Optics, 87–107. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04741-5_4.
Gomez-Reino, Carlos, Maria Victoria Perez, and Carmen Bao. "GRIN Media with Loss or Gain." In Gradient-Index Optics, 109–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04741-5_5.
Gomez-Reino, Carlos, Maria Victoria Perez, and Carmen Bao. "Planar GRIN Media with Hyperbolic Secant Refractive Index Profile." In Gradient-Index Optics, 127–61. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04741-5_6.
Gomez-Reino, Carlos, Maria Victoria Perez, and Carmen Bao. "The Talbot Effect in GRIN Media." In Gradient-Index Optics, 163–88. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04741-5_7.
Gomez-Reino, Carlos, Maria Victoria Perez, and Carmen Bao. "GRIN Crystalline Lens." In Gradient-Index Optics, 189–207. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04741-5_8.
Gomez-Reino, Carlos, Maria Victoria Perez, and Carmen Bao. "Optical Connections by GRIN Lenses." In Gradient-Index Optics, 209–29. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04741-5_9.
Mignani, A. G., A. Mencaglia, M. Brenci, and A. Scheggi. "Radially Gradient-Index Lenses: Applications to Fiber Optic Sensors." In Diffractive Optics and Optical Microsystems, 311–25. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4899-1474-3_26.
Тези доповідей конференцій з теми "Gradient index optics":
Nutt, Alan C. G., and Koichi Nishizawa. "Recent Developments in Gradient Index Guided Wave Optics." In Gradient-Index Optical Imaging Systems. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/giois.1987.fa1.
Dhadwal, Harbans S., and Romel R. Khan. "Integrated Imaging Fiber Optics with Multiple Grin Lenses." In Gradient-Index Optical Imaging Systems. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/giois.1994.gwc4.
Possner, T., B. Messerschmidt, M. Palme, and R. Göring. "GRIN-Optics with High Numerical Aperture by Silver-Exchange." In Gradient-Index Optical Imaging Systems. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/giois.1994.gtue5.
Oikawa, Masahiro, and Michael Wong. "New Markets for GRIN Microlenses." In Gradient-Index Optical Imaging Systems. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/giois.1994.gwc1.
Daszkiewicz, Marek. "GRIN optics at the Institute of Applied Optics." In Gradient-Index Optics in Science and Engineering, edited by Maksymilian Pluta and Mariusz Szyjer. SPIE, 1996. http://dx.doi.org/10.1117/12.255516.
Possner, T., R. Göring, and Ch Kaps. "Index Gradient Fabrication by Ion-Exchange." In Gradient-Index Optical Imaging Systems. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/giois.1994.gwa1.
Fujii, K., and N. Akazawa. "Gradient-Index Rod Lens with High Optical Performance for Medical Use." In Gradient-Index Optical Imaging Systems. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/giois.1987.fa3.
Wychowaniec, Marek. "Gradient-index lenses made from phosphate glass." In Gradient-Index Optics in Science and Engineering, edited by Maksymilian Pluta and Mariusz Szyjer. SPIE, 1996. http://dx.doi.org/10.1117/12.255518.
Bava, G. P., P. Rosina, and I. Montrosset. "Beam Propagation Analysis of Planar Micro-optical Components." In Gradient-Index Optical Imaging Systems. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/giois.1987.fb4.
Kubica, Jacek M. "Graded-index antiresonant reflecting optical waveguides." In Gradient-Index Optics in Science and Engineering, edited by Maksymilian Pluta and Mariusz Szyjer. SPIE, 1996. http://dx.doi.org/10.1117/12.255541.
Звіти організацій з теми "Gradient index optics":
Shatz, Narkis. Gradient-Index Optics. Fort Belvoir, VA: Defense Technical Information Center, March 2010. http://dx.doi.org/10.21236/ada546662.
Teichman, Jeremy, Jenny Holzer, Bohdan Balko, Brent Fisher, and Leonard Buckley. Gradient Index Optics at DARPA. Fort Belvoir, VA: Defense Technical Information Center, November 2013. http://dx.doi.org/10.21236/ada606263.