2001•Applied OpticsRequires access

Optical properties of a new two-photon absorbing chromophore

Wang Chun, Xiaomei Wang, Zongshu Shao, Xian Zhao, Guangyong Zhou, Dong Wang, Qi Fang, Minhua Jiang

Abstract

A new dye, trans-4-[p-(pyrrolidinyl)styryl]-N-methylpyridinium iodide, has been synthesized, and the two-photon-absorption (TPA), TPA-induced frequency upconversion emission, and two-photon-pumped (TPP) frequency upconverted lasing properties of this new dye were experimentally studied. This new dye has a moderate TPA cross section of varsigma(2) = 5.7 x 10(-48) (cm(4) s(-1))/photon at 1064 nm but exhibits high lasing efficiency. The slope efficiency of the TPP cavity laser with this new dye as the laser medium is 1.6%.

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Available abstract

Key concepts: Lasing threshold, Photon upconversion, Dye laser, Materials science, Optics, Laser, Chromophore, Two-photon absorption