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The changes of holographic characteristics of photopolymer induced by temperature are studied experi-mentally. The results show that the exposure sensitivity increases with the increase of temperature. Themaximum diffraction efficiency and the final maximum diffraction efficiency increase with the increaseof temperature when the temperature is lower than Tg (glass transition temperature), while they decreasewith the increase of temperature when the temperature is higher than Tg. The effect of the change oftemperature on the saturation refractive index modulation is very weak. 相似文献
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