Simulation of the TPIF collection efficiency and the improvement of the collection device

Desheng Li; Yun-Cui Zhang; Xiaoyang He; Nianyu Zou

doi:10.1117/12.977193

15 October 2012 Simulation of the TPIF collection efficiency and the improvement of the collection device

Desheng Li, Yun-Cui Zhang, Xiaoyang He, Nianyu Zou

Proceedings Volume 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 84170P (2012) https://doi.org/10.1117/12.977193
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

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.

Citation Download Citation

Desheng Li, Yun-Cui Zhang, Xiaoyang He, and Nianyu Zou "Simulation of the TPIF collection efficiency and the improvement of the collection device", Proc. SPIE 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 84170P (15 October 2012); https://doi.org/10.1117/12.977193

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