Auto tracking integral mode measuring method for nanosecond pulsed laser

Yuan Xuewen; Xie Chuanlin; Zhou Zhiqiang

doi:10.11884/HPLPB201628.071001

Volume 28 Issue 07

Jun. 2016

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Yuan Xuewen, Xie Chuanlin, Zhou Zhiqiang. Auto tracking integral mode measuring method for nanosecond pulsed laser[J]. High Power Laser and Particle Beams, 2016, 28: 071001. doi: 10.11884/HPLPB201628.071001

Citation:

Yuan Xuewen, Xie Chuanlin, Zhou Zhiqiang. Auto tracking integral mode measuring method for nanosecond pulsed laser[J]. High Power Laser and Particle Beams, 2016, 28: 071001. doi: 10.11884/HPLPB201628.071001

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Auto tracking integral mode measuring method for nanosecond pulsed laser

doi: 10.11884/HPLPB201628.071001

Yuan Xuewen^{1,2
,
,},
Xie Chuanlin^1,2,
Zhou Zhiqiang^1,2

1.
Institute of Applied Electronics,CAEP,P.O.Box 919-1012,Mianyang 621900,China;
2.
Key Laboratory of Science and Technology on High Energy Laser,CAEP,P.O.Box 919-1012,Mianyang 621900,China

Received Date: 2016-01-10
Rev Recd Date: 2016-02-26
Publish Date: 2016-07-15

Abstract

Abstract

An optical beam energy distribution measuring method for nanosecond pulse laser is discussed. A kind of auto tracking integral mode is adopted for the method. By using forecast circuit, the pulse photocurrent is accumulated and held. The integral photocurrent is sampled by a low speed A/D converter. Thus, a high sampling rate can be got. The method is used successfully for a laser array target for testing high power energy beam distribution, and fit for testing the pulse laser with frequency from 5 Hz to 1 kHz, pulse width from 10 ns to 200 ns.
- pulse laser,
- optical beam distribution parameters,
- pulse laser energy distribution measurement,
- auto tracking integral,
- photocurrent integral