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首页> 美国政府科技报告 >Large Optical Birefringence in Poly(p-phenylene vinylene) Films Measured byOptical Waveguide Techniques
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Large Optical Birefringence in Poly(p-phenylene vinylene) Films Measured byOptical Waveguide Techniques

机译：光学波导技术测量聚（对亚苯基亚乙烯基）薄膜的大光学双折射

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Organic polymeric systems are emerging as an important class of optical materialsfor photonics applications. Polymeric systems offer two main advantages. First, their flexibility to be fabricated in forms of films or fibres of optical quality makes them suitable for integrated-optics device structures. Secondly, conjugated polymeric structures exhibit large non-resonant (non-absorptive) third-order optical non-linearity, which leads to intensity dependence of refractive index. This intensity dependence of refractive index is what forms the basis for ultrafast all-optical switching and optical processes in polymers, therefore, is at the forefront of modern research because of the prospect of optical processing with speeds in the subpicosecond range. Concentrated efforts are being placed on the measurements of non-linear optical behaviour in organic polymeric materials. Reprints. (JES)

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