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Proceedings Paper

Effect Of Compensation On The Amplification Of Photorefractive Two Beam Coupling By Alternating Electric Field
Author(s): C. Besson; J. M .C. Jonathan; A. Villing; G. Roosen
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Paper Abstract

A general expression for the photorefractive gain under step like electric field is derived. It shows the gain dependence on the applied field frequency which is confirmed experimentally. We show how optimum gain enhancement is achieved by adjusting the illumination and the field frequency to the characteristic times of the crystal. Simultaneous contribution of holes and electrons is also considered to explain reduced values of the gain observed in some cases.

Paper Details

Date Published: 8 March 1989
PDF: 7 pages
Proc. SPIE 1017, Nonlinear Optical Materials, (8 March 1989); doi: 10.1117/12.949976
Show Author Affiliations
C. Besson, Unite Associee au CNRS (France)
J. M .C. Jonathan, Unite Associee au CNRS (France)
A. Villing, Unite Associee au CNRS (France)
G. Roosen, Unite Associee au CNRS (France)


Published in SPIE Proceedings Vol. 1017:
Nonlinear Optical Materials
Gerald Roosen, Editor(s)

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