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Broadband Optical Limiting and CCD Sensor Protection From Nanosecond-Pulsed Laser Threat With Reverse Saturable Absorbers

Published online by Cambridge University Press:  03 September 2012

V. Dentan
Affiliation:
Laboratoire Central de Recherches, THOMSON CSF, Domaine de Corbeville, 91404 Orsay Cedex, France.
P. Feneyrou
Affiliation:
Laboratoire Central de Recherches, THOMSON CSF, Domaine de Corbeville, 91404 Orsay Cedex, France.
F. Soyer
Affiliation:
Laboratoire Central de Recherches, THOMSON CSF, Domaine de Corbeville, 91404 Orsay Cedex, France.
M. Vergnolle
Affiliation:
Laboratoire Central de Recherches, THOMSON CSF, Domaine de Corbeville, 91404 Orsay Cedex, France.
P. Le Barny
Affiliation:
Laboratoire Central de Recherches, THOMSON CSF, Domaine de Corbeville, 91404 Orsay Cedex, France.
Ph. Robin
Affiliation:
Laboratoire Central de Recherches, THOMSON CSF, Domaine de Corbeville, 91404 Orsay Cedex, France.
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Abstract

We study in detail the linear and nonlinear optical properties of a heavy metal substituted naphthalocyanine reverse saturable absorber (RSA). The excited states involved in the RSA process under nanosecond pulsed laser excitation in the visible are fully characterized. We then demonstrate that this material can be used as an efficient optical limiter for protecting silicium CCD arrays from destruction due to nanosecond-pulsed laser irradiation in the visible.

Type
Research Article
Copyright
Copyright © Materials Research Society 1997

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References

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