一种测量大面积激光束光强分布的复合阵列

王飞; 谢永杰; 戢运峰; 段刘华; 叶锡生

doi:10.3788/CO.20120506.0658

一种测量大面积激光束光强分布的复合阵列

doi: 10.3788/CO.20120506.0658

西北核技术研究所激光与物质相互作用国家重点实验室,陕西西安 710024

详细信息

通讯作者:
王飞

中图分类号: TN247; TN215
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- 被引次数: 0
出版历程
- 收稿日期: 2012-09-22
- 修回日期: 2012-10-20
- 刊出日期: 2012-12-10

Compound detector array for measuring intensity distribution of large caliber laser beam

State Key Laboratory of Laser Interaction with Matter,Northwest Institute of Nuclear Technology,Xi'an 710024,China

摘要

摘要: 针对大面积高能激光束时空分布参数测量的需要,研究了量热和光电法综合测量激光束时空分布的方法。采用现场实时定标技术有效地解决了两类数据融合问题,研制了量热光电复合阵列测量系统。该复合阵列主要由256路量热探测单元、120路光电探测单元、多通道数据采集模块和数据分析处理模块等部分组成,具有量热型探头测量绝对激光能量准确、光电探测器测量时间分辨率高等优点,实现了大面积高能激光束光强分布时间和空间的绝对测量。
- 复合测量 /
- 高能激光 /
- 时间分辨 /
- 空间分辨
Abstract: For the measurements of temporal and spatial distribution parameters of high energy laser beams, a synthetic measurement of calorimetric and photoelectric method is studied. The data fuse of two kinds of sensors is achieved with a real-time scaling technique. Then, a set of compound measurement system is developed for measuring the large caliber laser beams. The system is mainly composed of 256 calorimetric detectors, 120 photoelectric detectors, multi-channel data sampling modules and one central processing computer. The total energy of the laser beam is precisely measured with the calorimetric detectors, and the high temporal and spatial resolution distribution is given with the photoelectric detectors. With the merits of accurate energy and the high temporal resolution of two kinds of sensors, the compound system can be used for absolute measurement of the far-field temporal and spatial distribution of high energy laser beams.
- compound measurement /
- high energy laser /
- temporal resolution /
- spatial resolution

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