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Axial GRIN polymer materials and device development

Author: ZhuGuoRong
Tutor: YiYouMin
School: Anhui University
Course: Optics
Keywords: GRIN Gel - diffusion copolymerization Lens Raytrace
CLC: O439
Type: Master's thesis
Year: 2007
Downloads: 46
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Abstract


Gradient refractive index materials (Gradient-Index, GRIN) is a novel optical materials, optical fiber communication systems and micro-optical systems and other fields has important application value. They may have a simple geometry, mainly rely on non-uniformity of the refractive index to achieve various optical functions. Because of its small size, light path is short, light weight, superior performance, easy to produce, easy integration, etc., has received extensive attention. Research has successfully developed a gradient index optics more of inorganic material preparation, the polymer material of the GRIN late start, in particular gradient index of the polymer just started the development of optical devices. In this work GRIN GRIN optical devices and polymeric materials combination of both topics, different proportions of the two monomers (MMA-6FBA) mixed solution polymerization system to study the change in refractive index range, and analyzed the resulting polymer variation of refractive index matching. Then using a gel diffusion copolymerization method, using organic materials developed axial gradient index polymer materials, hoping to solve some of the theories and techniques of technical problems, and has made some progress. The main work of this paper include the following: Chapter One: First introduced gradient optical materials development, status and type, and describes the type of gradient refractive index materials and characteristics, on this basis, based on ideas and topics presented . Chapter II: Introduction of the axial GRIN flat light trajectory equations, and analyze a flat axial GRIN optical properties. Chapter III: Discussion on the chemical structure of the polymer optical properties of polymer materials, analysis of preparation of the monomer flat axial gradient index system selection criteria. Analysis of the different mixing ratio of two copolymerizable monomer and to study the polymerization temperature, the amount of initiator and the polymerization time of the polymerization reaction. Chapter 4: describes the type of gradient optical material and method of preparation, the use of gel - diffusion gradient refractive index of the polymer prepared by copolymerizing the experimental procedure and mechanism plate. And studied the polymerization temperature, the amount of initiator and the polymerization time of the polymerization reaction. Chapter Five: Analysis of the refractive index of the polymer axial GRIN plate measuring principle and the measurement procedure, and calculated from the simulation pattern refractive index distribution. Chapter VI: The ray tracing analysis of the GRIN lens imaging axial spherical aberration, and the kinds of optical devices with the same uniform dielectric lens spherical aberration for comparison. Chapter 7: summarized text, and the progress of this project, the existing problems and further work made a final summary and outlook.

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