Spatial subharmonics of moving gratings in photorefractive materials
作者:
Sugie Shim,
Chong Hoon Kwak,
El‐Hang Lee,
期刊:
Applied Physics Letters
(AIP Available online 1995)
卷期:
Volume 66,
issue 4
页码: 405-407
ISSN:0003-6951
年代: 1995
DOI:10.1063/1.114037
出版商: AIP
数据来源: AIP
摘要:
A simple theory based on a nonlinear differential equation derived from Kukhtarev’s materials equations and the coupled mode analysis of wave equation is developed to describe the spatial subharmonics in the photorefractive moving gratings. The optimum detuning frequency ofK/2 spatial subharmonic resonance is calculated and compared with experimental data. It is found that our simple theory describes the experimental data very well. ©1995 American Institute of Physics.
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