Agranat, Aharon and Leyva, Victor and Yariv, Amnon (1989) Voltage-controlled photorefractive effect in paraelectric KTa1-xNbxO3:Cu,V. Optics Letters, 14 (18). pp. 1017-1019. ISSN 0146-9592 http://resolver.caltech.edu/CaltechAUTHORS:AGRol89
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Experimental results that demonstrate the formation of photorefractive gratings in KTN:Cu,V in the paraelectric phase are presented. These gratings are formed using the quadratic electro-optic effect, which allows amplitude modulation of the diffracted beam by an external electric field. High diffraction efficiencies of over 50% in a 3-mm thick sample and amplitude modulation of the diffracted beam by an external field at frequencies of up to 20 kHz were observed.
|Additional Information:||© 1989 Optical Society of America Received February 17, 1989; accepted June 11, 1989 This research is supported by the U.S. Army Research Office (R. Guenther).|
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|Deposited On:||04 May 2006|
|Last Modified:||26 Dec 2012 08:51|
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