Diagnostics of air plasma ablated by 1064 nm laser pulses

来源 :The 5th International Symposium on Ultra-fast Phenomena & Te | 被引量 : 0次 | 上传用户：XIEJUANJUAN1984

【摘要】

：

　　The characteristics of air plasma were studied using laser-induced breakdown spectroscopy (LIBS) at room temperature in air at atmospheric pressure.The elec

【作者】

：

Wenfeng Luo Wei Zhao Yixiang Duan Haojing Wang

【机构】

：

StateKeyLaboratoryofTransientOpticsandPhotonics,Xi'anInstituteofOpticsandPrecisionMechanics,Chinese

【出处】

：

The 5th International Symposium on Ultra-fast Phenomena & Te

【发表日期】

：

2010年9期

【关键词】

：

LIBS LIAP

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　　The characteristics of air plasma were studied using laser-induced breakdown spectroscopy (LIBS) at room temperature in air at atmospheric pressure.The electron temperature 20796 K was determined using the Boltzmann plot method with six ionic nitrogen lines at 444.703,463.054,500.515,566.663,594.165 and 648.205 nm.The electron number density inferred by measuring the Stark broadened profile of well isolated H(a) line (656.273 nm) was 1.83 × 1017 cm-3.

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