High power laser multi-parameter measurement technique based on integrating sphere

被引：0

作者：

Chen X. ^{[1
,2
]}

Tang S. ^{[1
]}

Hui H. ^{[1
,2
]}

Liu D. ^{[1
]}

Ouyang X. ^{[1
]}

Lin Q. ^{[1
]}

Zhu B. ^{[1
]}

机构：

[1] National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai

[2] University of Chinese Academy of Sciences, Beijing

来源：

Zhongguo Jiguang/Chinese Journal of Lasers | 2016年 / 43卷 / 08期

关键词：

Beam-splitter; Integrating sphere; Measurement; Modular design; Monte-Carlo method;

D O I：

10.3788/CJL201643.0804002

中图分类号：

学科分类号：

摘要：

Aiming at the disadvantage that the traditional measurement technique is sensitive to the incident direction of incident light, a beam-split technique of high power laser multi-parameter measurement based on integrating sphere is proposed. Numerical analysis and simulation about attenuation rate, time waveform of emergent light, and time waveform recovery of incident light are carried out by Monte-Carlo method, which validate the feasibility that the integrating sphere can be used as beam-splitter in laser measurement system. The energy and time waveform of nanosecond laser is measured based on integrating sphere. The theoretical analysis matches well with the experiment result. Experiment and simulation results show that spectrum parameter, energy parameter and time parameter of incident light can be recovered by measuring the parameters of the emergent light, when the light-split technique is used in laser parameters measurement. The proposed technique can conquer the disadvantage that the incident direction of incident light has great influence on the parameters of the emergent light in traditional technique. The proposed technical proposal possesses small volume and is easy to integrate, which can be used in modular design of multiple beam high power laser parameters measurement system. © 2016, Chinese Lasers Press. All right reserved.

引用

页数：9

共 13 条

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