Study on the thermo-optic properties of DR1/PMMA composite

被引：4
|
作者：
Department of Physics, Shanghai Jiaotong University, Shanghai 200240, China [1 ]
不详 [2 ]
机构：
来源：
Chin. Phys. | 2006年 / 10卷 / 2439-2444期
关键词：
Attenuation - Electromagnetic wave reflection - Photochemical reactions - Polymethyl methacrylates - Thermal expansion - Thin films;
D O I：
10.1088/1009-1963/15/10/042
中图分类号：
学科分类号：
摘要：
This paper reports that the thermo-optic coefficient (dn/dT) as well as thermal expansion coefficients (β) of DR1/PMMA polymer film are measured for both TE (transversal electric) and TM (transversal magnetic) polarizations by using an attenuated total reflection configuration at the wavelengths of 832nm. The thermo-optic coefficients of DR1/PMMA are negative and as high as the order of 10-4/°C. The influences of dopant concentration, poling process and photobleaching process on the thermo-optic properties of DR1/PMMA are also investigated. © 2006 Chin. Phys. Soc. and IOP Publishing Ltd.
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