Published September 15, 1989
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Journal Article
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Voltage-controlled photorefractive effect in paraelectric KTa1-xNbxO3:Cu,V
- Creators
- Agranat, Aharon
- Leyva, Victor
- Yariv, Amnon
Abstract
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).Files
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- 2882
- Resolver ID
- CaltechAUTHORS:AGRol89
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2006-05-04Created from EPrint's datestamp field
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