INSTABILITY OF MOVING GRATINGS IN PHOTOREFRACTIVE CRYSTALS

被引：29
|
作者：
STURMAN, BI [1 ]
MANN, M [1 ]
RINGHOFER, KH [1 ]
机构：
[1] UNIV OSNABRUCK,FACHBEREICH PHYS,W-4500 OSNABRUCK,GERMANY
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1992年 / 55卷 / 03期
关键词：
D O I：
10.1007/BF00348391
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is shown that a moving intensity grating in a photorefractive crystal with a sufficiently large lifetime-mobility product can give rise to an instability against excitation of weakly damped space-charge waves. Increments and threshold of the instability are investigated for the threedimensional case. Subharmonics and other nonlinear scenarios of saturation are discussed.
引用
收藏
页码：235 / 241
页数：7
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