Holographic gratings in photorefractive polymers without external electric field

被引：5
|
作者：
Kukhtarev, N
Lyuksyutov, S
Buchhave, P
Volodin, B
机构：
来源：
PHOTOREFRACTIVE FIBER AND CRYSTAL DEVICES: MATERIALS, OPTICAL PROPERTIES, AND APPLICATIONS III | 1997年 / 3137卷
关键词：
D O I：
10.1117/12.287777
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Using anomalous large diffusion we report a recording of reflection type gratings in a PVK-based photonrefractive polymer without any external electric field. Diffraction efficiency of the gratings was measured to be 7%. An efficient modulation of beams during two-beam coupling up to 12% was demonstrated by using phase modulation technique. This practical scheme can be used in dynamic vibration measurements.
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页码：2 / 7
页数：6
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