MEASUREMENT OF THE ENVELOPE FUNCTION OF THE INDEX GRATING IN PHOTOREFRACTIVE CRYSTALS

被引：1
|
作者：
OKAMURA, H
KURODA, K
YAJIMA, H
IIZUKA, K
ITOH, M
机构：
[1] SOPHIA UNIV,DEPT PHYS,CHIYODA KU,TOKYO 102,JAPAN
[2] UNIV TSUKUBA,INST APPL PHYS,TSUKUBA,IBARAKI 305,JAPAN
来源：
OPTICS LETTERS | 1993年 / 18卷 / 16期
关键词：
Index gratings - Photorefractive crystals;
D O I：
10.1364/OL.18.001305
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Gratings written in a BaTiO3 crystal by two-wave mixing are read out by measurement of the diffraction coefficient as a function of detuning from the Bragg condition. From the Fourier transform of the diffraction coefficient as a function of the deviation from the Bragg condition, the envelope function of the index grating in the crystal is obtained along with the relative phase shift. The feasibility of this method is proven experimentally. This method can be applied to any thick holographic medium.
引用
收藏
页码：1305 / 1307
页数：3
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