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Doped Gels for Optical Limiting Applications.

Published online by Cambridge University Press:  15 February 2011

Marc Brunel ,
Michael Canva ,
Alain Brun ,
Frédéric Chaput ,
Laurent Malier  and
Jean-Pierre Boilot
Marc Brunel
Affiliation:
Groupe d'Optique Non-Linéaire, Institut d'Optique Théorique et Appliquée, Unité associée 14, Centre National de la Recherche Scientifique, Université d'Orsay-Paris XI, Bâtiment 503, B. P. 147, 91403 Orsay Cedex, France
Michael Canva
Affiliation:
Groupe d'Optique Non-Linéaire, Institut d'Optique Théorique et Appliquée, Unité associée 14, Centre National de la Recherche Scientifique, Université d'Orsay-Paris XI, Bâtiment 503, B. P. 147, 91403 Orsay Cedex, France
Alain Brun
Affiliation:
Groupe d'Optique Non-Linéaire, Institut d'Optique Théorique et Appliquée, Unité associée 14, Centre National de la Recherche Scientifique, Université d'Orsay-Paris XI, Bâtiment 503, B. P. 147, 91403 Orsay Cedex, France
Frédéric Chaput
Affiliation:
Groupe de Chimie du Solide, Laboratoire de Physique de la Matière Condensée, Unité associée 1254-D, Centre National de la Recherche Scientifique, École Polytechnique, 91128 Palaiseau Cedex, France
Laurent Malier
Affiliation:
Groupe de Chimie du Solide, Laboratoire de Physique de la Matière Condensée, Unité associée 1254-D, Centre National de la Recherche Scientifique, École Polytechnique, 91128 Palaiseau Cedex, France
Jean-Pierre Boilot
Affiliation:
Groupe de Chimie du Solide, Laboratoire de Physique de la Matière Condensée, Unité associée 1254-D, Centre National de la Recherche Scientifique, École Polytechnique, 91128 Palaiseau Cedex, France
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Abstract

Aluminophthalocyanine and fullerene were trapped in solid transparent matrices using the sol-gel process. The covalent bonding to the matrix improved the chemical stability of the fullerene doped sample. Solid state optical limiting at 532 nm, mainly due to reverse saturable absorption processes, was observed with such samples. The non-linear transmission threshold was typically about 10 mJ/cm2 and an induced density of 1.6 was observed with three orders of magnitude greater illumination. Fluorescent decay measurements support the choice of a three energy level absorption model for the process, which allows indirect measurement of the excited-state absorption.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 374: Symposia ZB – Materials for Optical Limiting , 1994 , 281
Copyright
Copyright © Materials Research Society 1995

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