Determination of the physical parameters controlling the photorefractive effect in kta1_xnbxo3:cuv

Victor Leyva, Aharon Agranat, Amnon Yariv

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

We report photorefractive, absorption, and photoconductivity measurements made on a KTalNbO03: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.

Original languageAmerican English
Pages (from-to)701-707
Number of pages7
JournalJournal of the Optical Society of America B: Optical Physics
Volume8
Issue number3
DOIs
StatePublished - Mar 1991
Externally publishedYes

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