Determining the nonlinear refractive index of fused quartz by femtosecond laser Z-scan technology

Lin Zhang; Huan Ren; Hua Ma; Zhendong Shi; Yi Yang; Quan Yuan; Xiaoxuan Feng; Yurong Ma; Bo Chen

doi:10.1117/12.2246627

19 October 2016 Determining the nonlinear refractive index of fused quartz by femtosecond laser Z-scan technology

Lin Zhang, Huan Ren, Hua Ma, Zhendong Shi, Yi Yang, Quan Yuan, Xiaoxuan Feng, Yurong Ma, Bo Chen

Proceedings Volume 10155, Optical Measurement Technology and Instrumentation; 101551N (2016) https://doi.org/10.1117/12.2246627
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

Z-scan technology is an experimental technique for determining the nonlinear refractive index based on the principle of transformation of phase distortion to amplitude distortion when a laser beam propagates through a nonlinear material. For most of the Z-scan system based on the nanosecond or picosecond laser, the accumulation of thermal effects becomes a big problem in nonlinear refractive index measurement especially for the nonlinear materials such as fused quartz and neodymium glass which have a weak nonlinear refractive effect. To overcome this problem, a system for determining the nonlinear refractive index of optical materials based on the femtosecond laser Z-scan technology is presented. Using this system, the nonlinear refractive index of the fused quartz is investigated.

Citation Download Citation

Lin Zhang, Huan Ren, Hua Ma, Zhendong Shi, Yi Yang, Quan Yuan, Xiaoxuan Feng, Yurong Ma, and Bo Chen "Determining the nonlinear refractive index of fused quartz by femtosecond laser Z-scan technology", Proc. SPIE 10155, Optical Measurement Technology and Instrumentation, 101551N (19 October 2016); https://doi.org/10.1117/12.2246627

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