Electronic Resource
Springer
Applied physics
61 (1995), S. 511-514
ISSN:
1432-0649
Keywords:
42.30
;
42.40
;
42.65
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract 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 self-enhanced readout scheme. The results also provide an explanation for the formation of mutually pumped phase conjugation in terms of the amplification of an initial noise grating. The results are presented and discussed.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01081282
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