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Proceedings Paper

Investigations of charge transfer and photosensitivity in single- and double-doped LiNbO3 single crystals: an optical-electron paramagnetic resonance study (Part I)
Author(s): Abdalla M. Darwish; Mohan D. Aggarwal; J. Morris; Jaeho Choi; JaChing Wang; Putcha Venkateswarlu; Alton Williams; Partha P. Banerjee; Deanna K. McMillen; Tracy Dean Hudson
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Paper Abstract

Electron paramagnetic resonance (EPR) for specially doped LiNbO3 crystals was determined. Study of the charge transfer and the photosensitivity in these crystals determined the ions, which participate on the charge transfer processes. In doubly doped crystals with Fe:Cr and Fe:Ce the decay of the EPR signal was less than the decay time in LiNbO3:Fe:Mn. some inherited impurities in these crystals like Mn and Fe were detected. The effect of the inherited impurities on the decay and growth of the EPR signal was estimated by comparing the results with homegrown LiNbO3 crystals.

Paper Details

Date Published: 22 September 1997
PDF: 12 pages
Proc. SPIE 3137, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications III, (22 September 1997); doi: 10.1117/12.287787
Show Author Affiliations
Abdalla M. Darwish, Alabama A&M Univ. (United States)
Mohan D. Aggarwal, Alabama A&M Univ. (United States)
J. Morris, Alabama A&M Univ. (United States)
Jaeho Choi, Alabama A&M Univ. (United States)
JaChing Wang, Alabama A&M Univ. (United States)
Putcha Venkateswarlu, Alabama A&M Univ. (United States)
Alton Williams, Alabama A&M Univ. (United States)
Partha P. Banerjee, Univ. of Alabama in Huntsville (United States)
Deanna K. McMillen, U.S. Army Missile Command (United States)
Tracy Dean Hudson, U.S. Army Missile Command (United States)

Published in SPIE Proceedings Vol. 3137:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications III
Francis T. S. Yu; Shizhuo Yin, Editor(s)

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