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Proceedings Paper

Temporal fluctuations of a semilinear photorefractive oscillator
Author(s): Gerd Klose; Azad Siahmakoun
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Paper Abstract

We report the observation of intensity fluctuations in a semilinear photorefractive oscillator, consisting of a BaTiO3 crystal as the gain medium, and a multimode helium-neon laser as its pump source. Depending on the beam geometry and intensity, the periodical fluctuations range on a timescale from a few seconds to several minutes. The behavior is suspected to be caused by a competition of gratings due to the external cavity, crystal-ordinary mirror assembly, the self-pumped phase conjugate mirror due to total internal reflection.

Paper Details

Date Published: 18 August 1995
PDF: 6 pages
Proc. SPIE 2622, Optical Engineering Midwest '95, (18 August 1995); doi: 10.1117/12.216814
Show Author Affiliations
Gerd Klose, Rose-Hulman Institute of Technology (United States)
Azad Siahmakoun, Rose-Hulman Institute of Technology (United States)

Published in SPIE Proceedings Vol. 2622:
Optical Engineering Midwest '95
Rudolph P. Guzik, Editor(s)

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