Temperature-induced changes in photopolymer volume holograms

被引：126

作者：

Dhar, L ^{[1
]}

Schnoes, MG ^{[1
]}

Wysocki, TL ^{[1
]}

Bair, H ^{[1
]}

Schilling, M ^{[1
]}

Boyd, C ^{[1
]}

机构：

[1] AT&T Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA

来源：

APPLIED PHYSICS LETTERS | 1998年 / 73卷 / 10期

关键词：

D O I：

10.1063/1.122375

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Temperature-induced distortions of plane-wave holographic gratings recorded in low glass transition temperature (T-g similar to 26 degrees C) photopolymer media were measured. Changes in temperature affect the refractive index and dimensions of photopolymer materials, thereby rotating the angular Bragg selectivity of recorded volume holograms. From temperature-dependent measurements on a set of angularly multiplexed holograms, the out-of-plane coefficient of thermal expansion of a thin photopolymer film constrained between two rigid glass substrates is found to be 500 ppm/degrees C; These experiments suggest that the temperature sensitivity of photopolymer volume holograms may limit their use in many applications. (C) 1998 American Institute of Physics. [S0003-6951(98)00636-6].

引用

页码：1337 / 1339

页数：3

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