首页> 外文期刊>Applied optics >SPATIALLY AND TEMPORALLY RESOLVED ELECTRON NUMBER DENSITY MEASUREMENTS IN A DECAYING LASER-INDUCED PLASMA USING HYDROGEN-ALPHA LINE PROFILES
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SPATIALLY AND TEMPORALLY RESOLVED ELECTRON NUMBER DENSITY MEASUREMENTS IN A DECAYING LASER-INDUCED PLASMA USING HYDROGEN-ALPHA LINE PROFILES

机译:使用氢-氢谱线分析衰变激光诱导等离子体中的时空分辨电子数密度测量

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摘要

A Nd:YAG laser was operated at 1064 nm and with 6-ns pulse duration to achieve optical breakdown in gaseous hydrogen at pressures of 150 and 810 Torr. Spatially and temporally resolved laser-induced emission spectra were measured early in the plasma decay. With hydrogen-alpha line profiles, electron number density values were determined along the laser beam plasma in the range 10(19) to 10(16) cc(-1). [References: 12]
机译:Nd:YAG激光器在1064 nm处工作,脉冲持续时间为6 ns,以在150和810 Torr的压力下实现气态氢的光学击穿。在等离子体衰减的早期测量了时空分辨的激光诱导的发射光谱。利用氢-α线轮廓,沿激光束等离子体确定的电子数密度值在10(19)到10(16)cc(-1)范围内。 [参考:12]

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