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Photorefractive Beam Fanning Optical Limiter

Published online by Cambridge University Press:  03 September 2012

M. J. Miller ,
G. L. Wood  and
G. J. Salamo
M. J. Miller
Affiliation:
U.S. Army Research Laboratory, SEDD, Adelphi. MD 20783–1197, mmiiler@arl.mi
G. L. Wood
Affiliation:
U.S. Army Research Laboratory, SEDD, Adelphi. MD 20783–1197, mmiiler@arl.mi
G. J. Salamo
Affiliation:
Dept. of Physics, U. of Arkansas, Fayetteville, AR 72701, salamo@comp.uark.edu
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Abstract

We have investigated the potential for using photorefractive phenomena in optical limiting devices. The major obstacle preventing the photorefractive limiter from reaching this potential has been speed of response. In this paper we report on several techniques which are successful in enhancing the photorefractive beam fanning response time. In particular, we demonstrate and characterize the use of applied electric fields, gratings to seed the beam fan, and cylindrical focusing. We also report the first demonstration of a prototype beam fanning optical limiter encompassing many of the proposed improvements.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 479: Symposium S – Materials for Optical Limiting II , 1997 , 193
Copyright
Copyright © Materials Research Society 1997

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References

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