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Temporal evolution of fanning in photorefractive materials

Segev, Mordechai and Engin, Doruk and Yariv, Amnon and Valley, George C. (1993) Temporal evolution of fanning in photorefractive materials. Optics Letters, 18 (12). pp. 956-958. ISSN 0146-9592. http://resolver.caltech.edu/CaltechAUTHORS:SEGol93a

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Abstract

We present detailed calculations of the temporal and spatial evolution of beam fanning in photorefractive crystals that is initiated by scattering from noise. We show that fanning starts from beam coupling between the incident radiation and part of the incident radiation scattered by noise at or near the input plane. We show that scattering within the volume of the crystal has negligible effect on fanning, that absorption affects the time response but not the spatial pattern of the fanning, and that the difference between calculations including only phase-matched terms and those including non-phase-matched terms is negligible.


Item Type:Article
Additional Information:© Copyright 1993 Optical Society of America Recevied December 7, 1992 The research of Mordechai Segev, Doruk Engin, and Amnon Yariv was supported by the Defense Advanced Research Projects Agency.
Record Number:CaltechAUTHORS:SEGol93a
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:SEGol93a
Alternative URL:http://www.opticsinfobase.org/abstract.cfm?URI=ol-18-12-956
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3053
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:12 May 2006
Last Modified:26 Dec 2012 08:52

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