READOUT PROPERTIES OF THE SPECKLEGRAM RECORDED IN PHOTOREFRACTIVE BI12SIO20 CRYSTAL

被引:18
|
作者
NAKAGAWA, K
MINEMOTO, T
机构
[1] Kobe University, Department of Instrumentation Engineering, Rokkodai, Nada-ku, Kobe
来源
APPLIED OPTICS | 1991年 / 30卷 / 17期
关键词
SPECKLE PHOTOGRAPHY; PHOTOREFRACTIVE MATERIAL; BSO CRYSTAL;
D O I
10.1364/AO.30.002386
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The readout properties of the specklegram recorded in a photorefractive Bi12SiO20 (BSO) crystal plate have been investigated by observing the Young fringes and the polarization change of the light transmitted from the BSO plate. The Young fringes can be obtained without an analyzer by any linearly polarized readout beam; they have higher visibility than those obtained from a photographic plate specklegram, since the specklegram recorded in the BSO crystal can be read out by the spatial distribution of both the degree of polarization and the azimuth angle of polarization. Selective interference of a kind is performed.
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页码:2386 / 2392
页数:7
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