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Photorefractive Properties Of KTa_(1-x)Nb_xO_3 In The Paraelectric Phase

Agranat, Aharon and Leyva, Victor and Sayano, Koichi and Yariv, Amnon (1990) Photorefractive Properties Of KTa_(1-x)Nb_xO_3 In The Paraelectric Phase. In: Nonlinear Optical Properties of Materials. Proceedings of SPIE. No.1148. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 52-66. ISBN 0819401846.

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We report the growth of doped Potassium Tantalate Niobate (KTN) crystals, and the characterization of their photorefractive properties L. the paraelectric region. First the Top Seeded Solution Growth Method is reviewed and the growth process of a KTN:Cu,V crystal is described. Results of diffraction efficiency measurements of photorefractive gratings in these crystals at the paraelectric phase, are then presented. These experiments show high diffractio- efficiencies, and indicate the possibility of amplitude modulation of the gratings by an external field. Results showing fixation of the gratings when the sample is close to the phase transition temperature are also described.

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Alternate Title:Photorefractive Properties Of KTa1-xNbxO3 In The Paraelectric Phase
Additional Information:© 1990 Society of Photo-Optical Instrumentation Engineers (SPIE).
Series Name:Proceedings of SPIE
Issue or Number:1148
Record Number:CaltechAUTHORS:20180710-152014717
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Official Citation:Aharon Agranat, Victor Leyva, Koichi Sayano, Amnon Yariv, "Photorefractive Properties Of KTa1-xNbxO3 In The Paraelectric Phase", Proc. SPIE 1148, Nonlinear Optical Properties of Materials, (4 January 1990); doi: 10.1117/12.962143;
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:87731
Deposited By: George Porter
Deposited On:10 Jul 2018 22:33
Last Modified:15 Nov 2021 20:51

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