The study of bridge phase conjugation in photorefractive Tb:Cu:KNSBN crystal

被引：1
|
作者：
Sun, XD [1 ]
Yao, FF [1 ]
Pei, YB [1 ]
机构：
[1] Harbin Inst Technol, Dept Appl Phys, Harbin 150001, Peoples R China
来源：
JOURNAL OF MODERN OPTICS | 2004年 / 51卷 / 13期
关键词：
D O I：
10.1080/09500340310001639989
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Photorefractive bridge phase conjugation is studied theoretically by two-region coupled-wave theory. The dependence of phase conjugate reflectivity and transmissivity on the input intensity ratio is measured. When two incoherent beams symmetrically enter opposite Tb: Cu: KNSBN crystal faces, the maximum reflectivities are higher than 351%, 236% and 147% for incident angles of 17.5degrees, 27.5 and 39degrees respectively; we also obtain a transmissivity higher than 58% for an incident angle of 33.5degrees. A comparison between the experimental data and theoretical results is also given.
引用
收藏
页码：1889 / 1897
页数：9
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