Determining the nonlinear refractive index of fused quartz by Femtosecond Laser Z-scan technology

被引：0
|
作者：
Zhang, Lin [1 ]
Ren, Huan [1 ]
Ma, Hua [1 ]
Shi, Zhendong [1 ]
Yang, Yi [1 ]
Yuan, Quan [1 ]
Feng, Xiaoxuan [1 ]
Ma, Yurong [1 ]
Chen, Bo [1 ]
机构：
[1] CAEP, Res Ctr Laser Fus, POB 919-984, Mianyang 621900, Peoples R China
来源：
OPTICAL MEASUREMENT TECHNOLOGY AND INSTRUMENTATION | 2016年 / 10155卷
关键词：
Fused quartz; Femtosecond laser; Z-scan technology; accumulation of thermal effects; N2; MEASUREMENTS; SINGLE-BEAM; GLASSES; CS2;
D O I：
10.1117/12.2246627
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
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.
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页数：6
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