Hologram enhancement in photorefractive media

Pochi Yeh, Claire Gu, Chau Jern Cheng, Ken Y. Hsu

研究成果: 雜誌貢獻文章

7 引文 斯高帕斯(Scopus)

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.

原文英語
頁(從 - 到)2204-2212
頁數9
期刊Optical Engineering
34
發行號8
DOIs
出版狀態已發佈 - 1995

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering(all)

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