Temperature dependence of optically erased two-wave mixing in Ce:KNSBN

被引：10
|
作者：
Liu, JS [1 ]
Lu, KQ
Liang, CH
Zhang, DY
Tang, TT
机构：
[1] Xidian Univ, Dept Appl Phys, Xian 710071, Peoples R China
[2] Xian Jiao Tong Univ, Inst Elect & Informat Engn, Xian 710049, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 1998年 / 15卷 / 05期
关键词：
D O I：
10.1088/0256-307X/15/5/013
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The intensity response of an optically erased photorefractive two-wave mixing to the erase beam is studied by using the coupling wave equation and the band-transport model. The concepts of response strength and the minimum response intensity are introduced and their temperature dependence is investigated. A 2-fold increase in the response strength and 4-fold decrease in minimum response intensity have been experimentally observed in Ce:KNSBN at 633 nm when the crystal temperature is raised from 320 to 370K. These experimental results are in agreement with theoretical analysis and show that the response property can be improved by changing the crystal temperature.
引用
收藏
页码：345 / 347
页数：3
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