Published March 1991
| public
Journal Article
Open
Determination of the physical parameters controlling the photorefractive effect in KTa1-xNbx O3:Cu,V
- Creators
- Leyva, Victor
- Agranat, Aharon
- Yariv, Amnon
Chicago
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Abstract
We report photorefractive, absorption, and photoconductivity measurements made on a KTa1-xNbxO3:CuY sample after a series of reduction and oxidation treatments. All relevant physical parameters that enter into the Kukhtarev model of the photorefractive effect are determined. Photorefractive measurements are compared with those expected from theory. The oxidation-reduction process is modeled, which permits us to determine the heat treatment that is necessary to produce a given index change and response time. We discuss approaches to optimization of the photorefractive sensitivity.
Additional Information
© Copyright 1991 Optical Society of America Received March 1990; accepted August 15, 1990 This research is supported by the U.S. Army Research Office. V. Leyva acknowledges the support of an AT&T Graduate Fellowship.Files
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Additional details
- Eprint ID
- 6590
- Resolver ID
- CaltechAUTHORS:LEYjosab91
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2006-12-13Created from EPrint's datestamp field
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