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Proceedings Paper

Material characterization by holographic current, beam coupling and spin dependent conductivity
Author(s): Nickolai V. Kukhtarev; Natalia E. Noginova; H. John Caulfield; Tatiana V. Kukhtareva; Mikhail A. Noginov; Putcha Venkateswarlu; Partha P. Banerjee
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Paper Abstract

Effects of optical self-organization in photorefractive KNbO3 are observed and studied by optical and electro- motive force methods. The crystal is characterized by monitoring the electric currents induced in the crystal due to applied illumination. A theoretical model of the observed effects is suggested. Spin dependent conductivity in photorefractive crystals with paramagnetic centers is discussed.

Paper Details

Date Published: 25 October 1996
PDF: 10 pages
Proc. SPIE 2849, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II, (25 October 1996); doi: 10.1117/12.255465
Show Author Affiliations
Nickolai V. Kukhtarev, Alabama A&M Univ. (United States)
Natalia E. Noginova, Alabama A&M Univ. (United States)
H. John Caulfield, Alabama A&M Univ. (United States)
Tatiana V. Kukhtareva, Alabama A&M Univ. (United States)
Mikhail A. Noginov, Alabama A&M Univ. (United States)
Putcha Venkateswarlu, Alabama A&M Univ. (United States)
Partha P. Banerjee, Univ. of Alabama in Huntsville (United States)


Published in SPIE Proceedings Vol. 2849:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II
Francis T. S. Yu; Shizhuo Yin, Editor(s)

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