Material characterization by holographic current, beam coupling and spin dependent conductivity

Nickolai V. Kukhtarev; Natalia E. Noginova; H. John Caulfield; Tatiana V. Kukhtareva; Mikhail A. Noginov; Putcha Venkateswarlu; Partha P. Banerjee

doi:10.1117/12.255465

25 October 1996 Material characterization by holographic current, beam coupling and spin dependent conductivity

Nickolai V. Kukhtarev, Natalia E. Noginova, H. John Caulfield, Tatiana V. Kukhtareva, Mikhail A. Noginov, Putcha Venkateswarlu, Partha P. Banerjee

Author Affiliations +

Proceedings Volume 2849, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II; (1996) https://doi.org/10.1117/12.255465
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

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.

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Nickolai V. Kukhtarev, Natalia E. Noginova, H. John Caulfield, Tatiana V. Kukhtareva, Mikhail A. Noginov, Putcha Venkateswarlu, and Partha P. Banerjee "Material characterization by holographic current, beam coupling and spin dependent conductivity", Proc. SPIE 2849, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II, (25 October 1996); https://doi.org/10.1117/12.255465

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