标题: HOLOGRAM ENHANCEMENT IN PHOTOREFRACTIVE MEDIA
作者: YEH, PC
GU, C
CHENG, CJ
HSU, KY
光电工程学系
Department of Photonics
关键字: PHOTOREFRACTIVE NONLINEAR OPTICS;HOLOGRAPHY;PHASE CONJUGATION
公开日期: 1-八月-1995
摘要: We consider the possibility of restoration and/or enhancement of decaying holograms in photorefractive media by using a simple optical readout in conjunction with a phase conjugator. The results indicate that extremely weak holograms can be enhanced provided that the two-beam coupling is sufficiently strong. Steady-state photorefractive holograms can be maintained continuously without decay by using a properly designed readout scheme. The result also provides an explanation for the formation of mutually pumped phase conjugation in terms of the amplification of initial noise gratings.
URI: http://hdl.handle.net/11536/1793
ISSN: 0091-3286
期刊: OPTICAL ENGINEERING
Volume: 34
Issue: 8
起始页: 2204
结束页: 2212
显示于类别:Articles


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