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Proceedings Paper

Nondestructive two-color holography in LiNbO3:Mg by use of ultraviolet-induced absorption
Author(s): Guoquan Zhang; Yasuo Tomita
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Paper Abstract

We investigate the characteristics of ultraviolet (UV)-induced defect centers that leads to a transient broad absorption band extending from the near-UV to the near-infrared spectral regions in LiNbO3:Mg. The thermal activation energy of the UV induced defect centers was measured to be 0.65 eV and holes were found to be the UV-induced charge carriers. These results indicate that intermediate states O- act as the UV-induced defect centers in LiNbO3:Mg. In addition, we demonstrate nondestructive two-color holography by use of the UV-induced near-infrared photorefractivity in LiNbO3:Mg.

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.526930
Show Author Affiliations
Guoquan Zhang, Univ. of Electro-Communications (Japan)
Yasuo Tomita, Univ. of Electro-Communications (Japan)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life

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