18 August 2010 Study of two-photon absorption in organic materials by thermal lensing and nonlinear transmission measurements
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Abstract
Experimental investigations of two-photon absorption (TPA) cross-section using nonlinear transmission (NLT) and a new pump-probe mode-mismatched thermal lens (TL) scheme, in the picosecond regime are reported. Both methods are used in a prospect of comparison. Values of the TPA coefficient and cross-section in perylenediimide derivatives (PDI) at 532 nm and 1064 nm wavelengths are given.
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H. Derbal-Habak, A. Taouri, M. Sylla, P. Hudhomme, R. Mountasser, J. M. Nunzi, "Study of two-photon absorption in organic materials by thermal lensing and nonlinear transmission measurements", Proc. SPIE 7774, Linear and Nonlinear Optics of Organic Materials X, 77740C (18 August 2010); doi: 10.1117/12.862263; https://doi.org/10.1117/12.862263
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