Ultrafast nonlinearity in polydiacetylene microcrystals

Raul Rangel-Rojo; Hiro Matsuda; Hitoshi Kasai; Hachiro Nakanishi

doi:10.1117/12.525192

19 November 2003 Ultrafast nonlinearity in polydiacetylene microcrystals (Abstract only)

Raul Rangel-Rojo, Hiro Matsuda, Hitoshi Kasai, Hachiro Nakanishi

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.525192
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

We report the study of the dynamics of the third-order nonlinear optical response of polydiacetylene micro-crystals. The material employed is the polydiacetylene know as poly-DCHD, and the micro-crystals were 100 nm in diameter contained in an aqueous suspension. Experimental results for transient changes in transmission measured by a time-resolved excite-probe technique, conducted with 100 fs pulses at 850 nm from a mode-locked Ti:sapphire laser are presented. A discussion of the role of the excitonic origin of the nonlinear response is also presented. (Abstract only available)

Citation Download Citation

Raul Rangel-Rojo, Hiro Matsuda, Hitoshi Kasai, and Hachiro Nakanishi "Ultrafast nonlinearity in polydiacetylene microcrystals (Abstract only)", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.525192

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