含偶氮苯发色团聚氨酯薄膜上的光致衍射光栅

Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI:10.1080/10587250108024739

D. Choi, J. H. Kim, Y. Cha, Hyun Taig Hong

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摘要

摘要合成了含氨基硝基偶氮苯的聚氨酯，用于在薄膜表面制备衍射光栅。采用双光束耦合法制作衍射光栅。从衍射效率变化的角度研究了衍射光栅的动力学特性。并对衍射效率的长期稳定性进行了研究。

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Optically Induced Diffraction Grating on the Film of Polyurethane Bearing an Azobenzene Chromophore

Abstract Polyurethane bearing an aminonitroazobenzene was synthesized for fabricating the diffraction grating on the film surface. Two beam coupling method was employed for fabricating the diffraction grating. The dynamics of diffraction grating was studied in term of the variation of the diffraction efficiency. The long-term stability of the diffraction efficiency was also investigated.

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Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals

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