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Simple methods of measuring the photorefractive phase shift and coupling constant

Hofmeister, Rudolf and Yariv, Amnon and Kewitsch, Anthony and Yagi, Shogo (1993) Simple methods of measuring the photorefractive phase shift and coupling constant. Optics Letters, 18 (7). pp. 488-490. ISSN 0146-9592. http://resolver.caltech.edu/CaltechAUTHORS:HOFol93

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Abstract

We report measurements of the photorefractive phase shift and coupling constant of several photorefractive materials. We solve the problem of beam coupling and diffraction in a material with a dynamically written grating for arbitrary input beams. These solutions are used to determine the beam coupling as a function of the photorefractive phase φ and coupling constant g when one beam is either sinusoidally phase modulated or ramped in phase. Experimental results are obtained for LiNbO3, BaTiO3, and for paraelectric potassium lithium tantalate niobate as a function of applied electric field.


Item Type:Article
Additional Information:© 1993 Optical Society of America Received November 11, 1992 The authors acknowledge the support of this research by the Defense Advanced Research Projects Agency.
Record Number:CaltechAUTHORS:HOFol93
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:HOFol93
Alternative URL:http://www.opticsinfobase.org/abstract.cfm?URI=ol-18-7-488
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5581
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:25 Oct 2006
Last Modified:26 Dec 2012 09:13

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