Wavelength dispersion of two-photon absorption and two-photon-induced fluorescence of stilbazolium derivatives

Wenfang Sun; Fengqi Guo; Dmitri Martyshkin; Sergey B. Mirov; Chuanlang Zhan; Duoyuan Wang

doi:10.1117/12.506567

3 November 2003 Wavelength dispersion of two-photon absorption and two-photon-induced fluorescence of stilbazolium derivatives

Wenfang Sun, Fengqi Guo, Dmitri Martyshkin, Sergey B. Mirov, Chuanlang Zhan, Duoyuan Wang

Author Affiliations +

Proceedings Volume 5211, Nonlinear Optical Transmission and Multiphoton Processes in Organics; (2003) https://doi.org/10.1117/12.506567
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Organic materials with large two-photon absorption are desired for numerous photonics applications, such as optical limiting,upconversion lasing, three-dimensional data storage,and photodynamic therapy. Stilbazolium derivatives are interesting two-photon absorbers for these applications. In this work,the nonlinear transmissivities of trans -4-[4-(dimethylamino)styryl ]-1-methylpyridinium iodide (DASPI),trans -4-(4-aminostyryl)-1-methylpyridinium iodide (ASPI),trans -4-[2-(1-methylpyrryl)vinyl ]-1-methylpyridinium iodide (MPVPI),trans -4-(2-pyrrylvinyl)-1-methylpyridinium iodide (PVPI),and trans -4-styryl-1-methylpyridinium iodide (SPI)at 800,850,900,950 and 1000 nm have been studied respectively using 21 ps laser pulses. The two-photon induced fluorescence of these compounds at 872,900,and 940 nm has also been investigated.All of these compounds exhibit two-photon absorption and two-photon induced up-converted fluorescence in the near-IR wavelengths,and the two-photon absorption cross section and two-photon induced fluorescence intensity vary with the wavelength and with the chemical structure changes. These preliminary results suggest that it is possible to increase the two-photon absorption cross-sections by proper structure modifications

Citation Download Citation

Wenfang Sun, Fengqi Guo, Dmitri Martyshkin, Sergey B. Mirov, Chuanlang Zhan, and Duoyuan Wang "Wavelength dispersion of two-photon absorption and two-photon-induced fluorescence of stilbazolium derivatives", Proc. SPIE 5211, Nonlinear Optical Transmission and Multiphoton Processes in Organics, (3 November 2003); https://doi.org/10.1117/12.506567

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