Mechanisms of broadening of emission lines of a laser-induced plasma generated on the surface of rigid targets期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Mechanisms of broadening of emission lines of a laser-induced plasma generated on the surface of rigid targets

Authors:	O. A. Bukin I. V. Bazarov N. V. Bodin A. A. Il’in V. I. Tsarev A. Yu. Maior E. N. Bol’shakova

Affiliation:	(1) Pacific Oceanologic Institute, Far Eastern Branch of the Russian Academy of Sciences, 43 Baltiiskaya Str., 690041 Vladivostok, Russia;(2) Far Eastern State University, Russia

Abstract:	This article reports the results of an experimental investigation of the basic mechanisms that cause the broadening of emission lines of a laser-induced plasma generated on the surface of rigid targets in a gaseous atmosphere. The contribution of Stark and resonance mechanisms of emission-line broadening for the resonance doublet Al I 3s²3p²P_3/2,1/2-3s²4s²S_1/2 and triplet Mg I 3s3p³P _0,1,2 ⁰ -3s4s³S₁ is discussed. The concentrations of neutral Al atoms in the laser-induced plasma are evaluated by the magnitude of resonance line broadening. Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 67, No. 2, pp. 234–237, March–April, 2000.

Keywords:	emission spectrum laser-induced plasma resonance broadening Stark effect laser-induced breakdown spectroscopy
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