Dynamics of optical limiting in heavy-atom-substituted phthalocyanines

Kamjou Mansour; Daniel Alvarez Jr.; Kelly J. Perry; Ingrid Choong; Seth R. Marder; Joseph W. Perry

doi:10.1117/12.144054

27 April 1993 Dynamics of optical limiting in heavy-atom substituted phthalocyanines

Kamjou Mansour, Daniel Alvarez Jr., Kelly J. Perry, Ingrid Choong, Seth R. Marder, Joseph W. Perry

Proceedings Volume 1853, Organic and Biological Optoelectronics; (1993) https://doi.org/10.1117/12.144054
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

Picosecond and nanosecond nonlinear transmission measurements were used to determine the excited singlet and triplet state absorption cross sections at 532 nm for group IVA metalloid phthalocyanines. A five-state rate-equation model is used to analyze the nonlinear transmission data. The successful simulations of the nonlinear transmission data on this series of phthalocyanines for widely differing pulse durations provide strong evidence for the validity of the excited state absorption model. Use of the heavy atom effect has allowed engineering of phthalocyanines with strongly enhanced optical limiting performance.

Citation Download Citation

Kamjou Mansour, Daniel Alvarez Jr., Kelly J. Perry, Ingrid Choong, Seth R. Marder, and Joseph W. Perry "Dynamics of optical limiting in heavy-atom substituted phthalocyanines", Proc. SPIE 1853, Organic and Biological Optoelectronics, (27 April 1993); https://doi.org/10.1117/12.144054

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