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Enhanced reverse saturable absorption and optical limiting in heavy-atom-substituted phthalocyanines

Perry, Joseph W. and Mansour, Kamjou and Marder, Seth R. and Perry, Kelly J. and Alvarez, Daniel, Jr. and Choong, Ingrid (1994) Enhanced reverse saturable absorption and optical limiting in heavy-atom-substituted phthalocyanines. Optics Letters, 19 (9). pp. 625-627. ISSN 0146-9592. http://resolver.caltech.edu/CaltechAUTHORS:PERol94

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Abstract

The reverse saturable absorption and the optical-limiting response of metal phthalocyanines can be enhanced by use of the heavy-atom effect. Phthalocyanines containing heavy-metal atoms, such as In, Sn, and Pb, show a nearly factor-of-2 enhancement in the ratio of effective excited-state to ground-state absorption cross sections compared with those containing lighter atoms, such as Al and Si. In an f/8 optical geometry, homogeneous solutions of heavy-metal phthalocyanines, at 30% linear transmission, limit 8-ns 532-nm laser pulses to ≤ 3 µJ the energy for 50% probability of eye damage) for incident energies as high as 800 µJ.


Item Type:Article
Additional Information:© Copyright 1994 Optical Society of America. Received February 3, 1994 This study was supported in part by the U.S. Army White Sands Missile Range through an agreement with NASA. D. Alvarez, Jr., acknowledges support from the James Irvine Foundation.
Record Number:CaltechAUTHORS:PERol94
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:PERol94
Alternative URL:http://www.opticsinfobase.org/abstract.cfm?URI=ol-19-9-625
Official Citation:J. W. Perry, K. Mansour, S. R. Marder, K. J. Perry, D. Alvarez, Jr., and I. Choong, "Enhanced reverse saturable absorption and optical limiting in heavy-atom-substituted phthalocyanines," Opt. Lett. 19, 625- (1994) http://www.opticsinfobase.org/abstract.cfm?URI=ol-19-9-625
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:8760
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:13 Sep 2007
Last Modified:26 Dec 2012 09:42

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