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Optical Limiting in Modified meso-alkynyl Porphyrins

Published online by Cambridge University Press:  03 September 2012

Nansheng Tang ,
Weijie Su ,
Douglas M. Krein ,
Daniel G. McLean ,
Mark C. Brant ,
Paul A. Fleitz ,
Donna M. Brandelik ,
Richard L. Sutherland  and
Thomas M. Cooper
Nansheng Tang
Affiliation:
Materials Directorate, Wright Laboratory, WL/MLPJ, Wright-Patterson AFB, OH 45433-7702
Weijie Su
Affiliation:
Materials Directorate, Wright Laboratory, WL/MLPJ, Wright-Patterson AFB, OH 45433-7702
Douglas M. Krein
Affiliation:
Materials Directorate, Wright Laboratory, WL/MLPJ, Wright-Patterson AFB, OH 45433-7702
Daniel G. McLean
Affiliation:
Science Applications International Corporation, 101 Woodman Drive, Dayton, OH 45431
Mark C. Brant
Affiliation:
Science Applications International Corporation, 101 Woodman Drive, Dayton, OH 45431
Paul A. Fleitz
Affiliation:
Science Applications International Corporation, 101 Woodman Drive, Dayton, OH 45431
Donna M. Brandelik
Affiliation:
Science Applications International Corporation, 101 Woodman Drive, Dayton, OH 45431
Richard L. Sutherland
Affiliation:
Science Applications International Corporation, 101 Woodman Drive, Dayton, OH 45431
Thomas M. Cooper
Affiliation:
Materials Directorate, Wright Laboratory, WL/MLPJ, Wright-Patterson AFB, OH 45433-7702
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Abstract

We characterize the optical properties of modified meso-alkynyl porphyrins by a number of techniques. Our data show that extending the conjugation and incorporating metal in the center of the ring in these molecules serve the objective of tuning the absorption maximum wavelength. We evaluate the optical limiting performance by determining the effective reversesaturable- absorption (RSA) lifetime and the change in the absorption cross-sections. The ultimate optical limiting performance of these molecules is tested in both picosecond and nanosecond regimes.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 479: Symposium S – Materials for Optical Limiting II , 1997 , 47
Copyright
Copyright © Materials Research Society 1997

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