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Proceedings Paper

Simulation of the TPIF collection efficiency and the improvement of the collection device
Author(s): Desheng Li; Yun-Cui Zhang; Xiaoyang He; Nianyu Zou
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Paper Abstract

Two-photon induced fluorescence (TPIF) is the most common method to measure the TPA cross-section, this method has advantages of high detection sensitivity based on fluorescence measurement, and also can eliminate the influences of other nonlinear beam propagation effects. However, this method requires the assumption that the fluorescence collection efficiency is equal in every measurement, this is hardly impossible for conventional setup. In this paper, the physical model of the fluorescence collecting system is established based on the experimental setup of TPIF. The simulation results indicate that the traditional fluorescence collecting device brings some unavoidable errors because of the collection coefficients are different in different times. Against to the drawback of the conventional fluorescence collection device, an improved recommendation which uses integrating sphere is presented. The analysis shows that the measurement accuracy of the two-photo absorption cross-section can be improved as the collection coefficients are same in different times.

Paper Details

Date Published: 15 October 2012
PDF: 5 pages
Proc. SPIE 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 84170P (15 October 2012); doi: 10.1117/12.977193
Show Author Affiliations
Desheng Li, Dalian Polytechnic Univ. (China)
Yun-Cui Zhang, Dalian Polytechnic Univ. (China)
Xiaoyang He, Dalian Polytechnic Univ. (China)
Nianyu Zou, Dalian Polytechnic Univ. (China)


Published in SPIE Proceedings Vol. 8417:
6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Yudong Zhang; Libin Xiang; Sandy To, Editor(s)

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