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首页> 外文会议>Conference on Laser Weapons technology 24-25 April 2000 Orlando, USA >High energy laser plasma diagnostic system
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High energy laser plasma diagnostic system

机译：高能激光等离子体诊断系统

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摘要

This paper describes the development of a non-contact diagnosis system for analyzing the plasma density profile, temperature profile, and ionic specis of a high energy laser-generated plasma. the system was developed by Physical Optics Corporation (POC) in cooperation with the U.S. Army Space and Missile Defense Command, High Energy Laser Systems Test Facility (HELSTF) at White Sands Missile Range, New Mexico. the non-contact diagnostic system consists of three subsystems: an optical fiber-based interfereometer, a plasma spectrometer, and a genetic algorithm-based fringe-image processor. In the interferometer subsystem, the transmitter and the receiver are each packaged as a compact module. A narrow notch filter rejects strongplasma light, passing only the laser probing bema, which carries the plasma density informaiton. The plasma spectrum signal is collected by an optical fiber head, whih is connected to a ocmpact spectrometer. Real-time genetic algorithm-based data processing/display permits instantaneous analysis of the plasma characterisktics. The research effort included design and fabrication of a vacuum chamber, and high-energy laser plasma generation. COmpactness, real-time operation, and ease of use make the laser plasma diagnosis systme well suited for dual use applications such as diagnosis of electric arc and other industrial plasmas.
机译：本文介绍了一种非接触式诊断系统的开发，该系统可用于分析高能激光产生的等离子体的等离子体密度曲线，温度曲线和离子物种。该系统是由物理光学公司（POC）与美国陆军太空与导弹防御司令部，位于新墨西哥州白沙导弹靶场的高能激光系统测试设施（HELSTF）合作开发的。非接触式诊断系统由三个子系统组成：基于光纤的干涉仪，等离子光谱仪和基于遗传算法的条纹图像处理器。在干涉仪子系统中，发射器和接收器分别封装为紧凑模块。狭窄的陷波滤光器仅通过激光探测bema来阻挡强等离子光，该bema携带等离子密度信息。等离子体光谱信号是由光纤头收集的，该光学头连接到一个撞击光谱仪。基于实时遗传算法的数据处理/显示可即时分析等离子体特征。研究工作包括真空室的设计和制造，以及高能激光等离子体的产生。紧凑，实时的操作和易用性使激光等离子体诊断系统非常适合双重用途，例如电弧和其他工业等离子体的诊断。

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