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Proceedings Paper

Multiphoton absorption and flourescence of an organic compound in THF pumped with nanosecond laser
Author(s): Yiping Cui; Junxiang Zhang; Chunxiang Xu; Xiaoqing Huang; Mingliang Wang; Gang Wang; Yaochun Shen; Juzheng Liu
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Paper Abstract

Two-photon absorption coefficients and the corresponding absorption cross sections of 5-(9-anthryl)-3-(4-nitrophenyl)- 1-phenyl-2-pyrazoline (ANPP) are obtained from intensity dependent transmission measurements. The linear and nonlinear fluorescence spectra of ANPP have been studied. The linear florescence spectrum of ANPP has two emission bands originating from the anthryl and pyrazoline moieties of ANPP on excitation at 355-nm, respectively. The nonlinear two- photon and three-photon fluorescence from these two moieties are observed simultaneously when ANPP is excited at 1064-nm due to the proximity of the absorption bands of these two moieties to (lambda) /3 and (lambda) /2 of the exciting wavelength. The similar spectra structure indicates that the nonlinear and linear fluorescence originates from the same relaxation process.

Paper Details

Date Published: 16 October 2001
PDF: 6 pages
Proc. SPIE 4602, Semiconductor Optoelectronic Device Manufacturing and Applications, (16 October 2001); doi: 10.1117/12.445742
Show Author Affiliations
Yiping Cui, Southeast Univ. (China)
Junxiang Zhang, Southeast Univ. (China)
Chunxiang Xu, Southeast Univ. (China)
Xiaoqing Huang, Southeast Univ. (China)
Mingliang Wang, Southeast Univ. (China)
Gang Wang, Southeast Univ. (China)
Yaochun Shen, Southeast Univ. (China)
Juzheng Liu, Southeast Univ. (China)


Published in SPIE Proceedings Vol. 4602:
Semiconductor Optoelectronic Device Manufacturing and Applications

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