Literatura científica selecionada sobre o tema "Gradient index optics"
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Artigos de revistas sobre o assunto "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 e Lana L. Wong. "3D printed gradient index glass optics". Science Advances 6, n.º 47 (novembro de 2020): eabc7429. http://dx.doi.org/10.1126/sciadv.abc7429.
Texto completo da fonteGerasimova, L. A. "Gradient-index optics: optical testing methods". Journal of Optical Technology 67, n.º 4 (1 de abril de 2000): 317. http://dx.doi.org/10.1364/jot.67.000317.
Texto completo da fonteChang, Chih-Hao, Jose A. Dominguez-Caballero, Hyungryul J. Choi e George Barbastathis. "Nanostructured gradient-index antireflection diffractive optics". Optics Letters 36, n.º 12 (15 de junho de 2011): 2354. http://dx.doi.org/10.1364/ol.36.002354.
Texto completo da fonteMilojkovic, Predrag, Stefanie Tompkins e Ravindra Athale. "Special Section Guest Editorial: Gradient Index Optics". Optical Engineering 52, n.º 11 (8 de novembro de 2013): 112101. http://dx.doi.org/10.1117/1.oe.52.11.112101.
Texto completo da fonteSong, Seok Ho, Suntak Park, Cha Hwan Oh, Pill Soo Kim, Mu Hee Cho e Yeong Sik Kim. "Gradient-index planar optics for optical interconnections". Optics Letters 23, n.º 13 (1 de julho de 1998): 1025. http://dx.doi.org/10.1364/ol.23.001025.
Texto completo da fonteFlores-Arias, M. T., C. Bao, A. Castelo, M. V. Perez e C. Gomez-Reino. "Crossover interconnects in gradient-index planar optics". Optics Communications 266, n.º 2 (outubro de 2006): 490–94. http://dx.doi.org/10.1016/j.optcom.2006.05.049.
Texto completo da fonteKrueger, Neil A., Aaron L. Holsteen, Seung-Kyun Kang, Christian R. Ocier, Weijun Zhou, Glennys Mensing, John A. Rogers, Mark L. Brongersma e Paul V. Braun. "Porous Silicon Gradient Refractive Index Micro-Optics". Nano Letters 16, n.º 12 (7 de novembro de 2016): 7402–7. http://dx.doi.org/10.1021/acs.nanolett.6b02939.
Texto completo da fonteAtchison, David A., e W. Neil Charman. "Thomas Youngʼs Investigations in Gradient-Index Optics". Optometry and Vision Science 88, n.º 5 (maio de 2011): E580—E584. http://dx.doi.org/10.1097/opx.0b013e31821177b2.
Texto completo da fonteBarbero, Sergio. "Thomas Youngʼs Investigations in Gradient-Index Optics". Optometry and Vision Science 88, n.º 11 (novembro de 2011): 1391–92. http://dx.doi.org/10.1097/opx.0b013e3182302ee3.
Texto completo da fonteAtchison, David A., e W. Neil Charman. "Thomas Youngʼs Investigations in Gradient-Index Optics". Optometry and Vision Science 88, n.º 11 (novembro de 2011): 1392. http://dx.doi.org/10.1097/opx.0b013e3182302ef6.
Texto completo da fonteTeses / dissertações sobre o assunto "Gradient index optics"
Klug, Brian Robert, William Duncan, Colton Holmes e Alexander Miles. "Terahertz Domain Rapid Prototyped Gradient Index Optics". Thesis, The University of Arizona, 2011. http://hdl.handle.net/10150/144543.
Texto completo da fonteMiles, Alexander Ashton, Brian Klug, William Duncan, Colton Holmes e Wanglei Han. "Terahertz Domain Rapid Prototyped Gradient Index Optics". Thesis, The University of Arizona, 2011. http://hdl.handle.net/10150/144910.
Texto completo da fonteMiles, Alexander, William Duncan, Brian Klug e 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.
Texto completo da fonteThere 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.
Texto completo da fonteGradient 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.
Texto completo da fonteNowosielski, Jedrzej M. "Nanostructured birefringent and gradient-index micro-optical elements". Thesis, Heriot-Watt University, 2014. http://hdl.handle.net/10399/2817.
Texto completo da fonteHsieh, 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.
Texto completo da fonteCataloged 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.
Texto completo da fonteKamdar, 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.
Texto completo da fonteAbstract 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.
Texto completo da fonteLivros sobre o assunto "Gradient index optics"
Gomez-Reino, Carlos, Maria Victoria Perez e Carmen Bao. Gradient-Index Optics. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04741-5.
Texto completo da fonteT, Moore Duncan, ed. Selected papers on gradient-index optics. Bellingham, Wash: SPIE Optical Engineering Press, 1993.
Encontre o texto completo da fonteGomez-Reino, Carlos. Gradient-Index Optics: Fundamentals and Applications. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002.
Encontre o texto completo da fonteV, Perez M., e Bao C, eds. Gradient-index optics: Fundamentals and applications. Berlin: Springer, 2002.
Encontre o texto completo da fonteBociort, Florian. Imaging properties of gradient-index lenses. Berlin: Verlag Köster, 1994.
Encontre o texto completo da fonteD, Rees James, Leiner Dennis C, Society of Photo-optical Instrumentation Engineers. e New Mexico State University. Applied Optics Laboratory., eds. Gradient-index optics and miniature optics: 8 April 1988, Orlando, Florida. Bellingham, Wash., USA: SPIE, 1988.
Encontre o texto completo da fonteGradient-Index Optical Systems Topical Meeting (1991 Monterey, Calif.). Gradient-index optical systems: Summaries of papers. Washington, DC: Optical Society of America, 1991.
Encontre o texto completo da fonteGreĭsukh, G. I. Optics of diffractive and gradient-index elements and systems. Bellingham, Wash: SPIE Optical Engineering Press, 1997.
Encontre o texto completo da fonteGradient-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.
Encontre o texto completo da fonte1969-, Suleski Thomas J., e 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.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Gradient index optics"
Gomez-Reino, Carlos, Maria Victoria Perez e 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.
Texto completo da fonteGomez-Reino, Carlos, Maria Victoria Perez e 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.
Texto completo da fonteGomez-Reino, Carlos, Maria Victoria Perez e 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.
Texto completo da fonteGomez-Reino, Carlos, Maria Victoria Perez e 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.
Texto completo da fonteGomez-Reino, Carlos, Maria Victoria Perez e 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.
Texto completo da fonteGomez-Reino, Carlos, Maria Victoria Perez e 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.
Texto completo da fonteGomez-Reino, Carlos, Maria Victoria Perez e 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.
Texto completo da fonteGomez-Reino, Carlos, Maria Victoria Perez e 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.
Texto completo da fonteGomez-Reino, Carlos, Maria Victoria Perez e 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.
Texto completo da fonteMignani, A. G., A. Mencaglia, M. Brenci e 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.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Gradient index optics"
Nutt, Alan C. G., e 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.
Texto completo da fonteDhadwal, Harbans S., e 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.
Texto completo da fontePossner, T., B. Messerschmidt, M. Palme e 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.
Texto completo da fonteOikawa, Masahiro, e 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.
Texto completo da fonteDaszkiewicz, Marek. "GRIN optics at the Institute of Applied Optics". In Gradient-Index Optics in Science and Engineering, editado por Maksymilian Pluta e Mariusz Szyjer. SPIE, 1996. http://dx.doi.org/10.1117/12.255516.
Texto completo da fontePossner, T., R. Göring e 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.
Texto completo da fonteFujii, K., e 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.
Texto completo da fonteWychowaniec, Marek. "Gradient-index lenses made from phosphate glass". In Gradient-Index Optics in Science and Engineering, editado por Maksymilian Pluta e Mariusz Szyjer. SPIE, 1996. http://dx.doi.org/10.1117/12.255518.
Texto completo da fonteBava, G. P., P. Rosina e 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.
Texto completo da fonteKubica, Jacek M. "Graded-index antiresonant reflecting optical waveguides". In Gradient-Index Optics in Science and Engineering, editado por Maksymilian Pluta e Mariusz Szyjer. SPIE, 1996. http://dx.doi.org/10.1117/12.255541.
Texto completo da fonteRelatórios de organizações sobre o assunto "Gradient index optics"
Shatz, Narkis. Gradient-Index Optics. Fort Belvoir, VA: Defense Technical Information Center, março de 2010. http://dx.doi.org/10.21236/ada546662.
Texto completo da fonteTeichman, Jeremy, Jenny Holzer, Bohdan Balko, Brent Fisher e Leonard Buckley. Gradient Index Optics at DARPA. Fort Belvoir, VA: Defense Technical Information Center, novembro de 2013. http://dx.doi.org/10.21236/ada606263.
Texto completo da fonte