Optical limiting in solutions of dithienyl polyenes

Lalgudi V. Natarajan; Richard L. Sutherland; Mark G. Schmitt; Mark C. Brant; Daniel G. McLean; Paul A. Fleitz; Timothy J. Bunning; Robert L. Crane

doi:10.1117/12.144051

27 April 1993 Optical limiting in solutions of dithienyl polyenes

Lalgudi V. Natarajan, Richard L. Sutherland, Mark G. Schmitt, Mark C. Brant, Daniel G. McLean, Paul A. Fleitz, Timothy J. Bunning, Robert L. Crane

Author Affiliations +

Proceedings Volume 1853, Organic and Biological Optoelectronics; (1993) https://doi.org/10.1117/12.144051
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

The optical limiting behavior of trans-diphenyl-1,3-butadiene (DPB), 2,2'-3- methyldithienylethylene (MDTE), 2,2'-dithienyl-1,3-butadiene (DTB) and trans- 2,2'-dibenzthienylethylene (DBTE) in chloroform was studied. Solutions of these compounds are nonresonant at 532 nm. The effects of laser beam spot size at 532 nm on the onset of limiting and the temporal profiles of the transmitted laser pulses were examined. The results indicate two photon absorption as the major contributor to the optical limiting. Two photon absorption cross sections were estimated from the optical limiting data.

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Lalgudi V. Natarajan, Richard L. Sutherland, Mark G. Schmitt, Mark C. Brant, Daniel G. McLean, Paul A. Fleitz, Timothy J. Bunning, and Robert L. Crane "Optical limiting in solutions of dithienyl polyenes", Proc. SPIE 1853, Organic and Biological Optoelectronics, (27 April 1993); https://doi.org/10.1117/12.144051

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