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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 19, Iss. 9 — May. 1, 1994
  • pp: 625–627

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

Joseph W. Perry, Kamjou Mansour, Seth R. Marder, Kelly J. Perry, Daniel Alvarez, Jr., and Ingrid Choong  »View Author Affiliations


Optics Letters, Vol. 19, Issue 9, pp. 625-627 (1994)
http://dx.doi.org/10.1364/OL.19.000625


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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.

© 1994 Optical Society of America

History
Original Manuscript: February 3, 1994
Published: May 1, 1994

Citation
Joseph W. Perry, Daniel Alvarez, Ingrid Choong, Kamjou Mansour, Seth R. Marder, and Kelly J. Perry, "Enhanced reverse saturable absorption and optical limiting in heavy-atom-substituted phthalocyanines," Opt. Lett. 19, 625-627 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-9-625

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