Application of diode lasers to determine excitation temperature in hollow cathode discharges by optogalvanic spectroscopy

被引：2

作者：

Jung, EC ^{[1
]}

Song, K ^{[1
]}

Cha, H ^{[1
]}

Lee, J ^{[1
]}

机构：

[1] Korea Atom Energy Res Inst, Opt Quant Lab, Taejon 305600, South Korea

来源：

SPECTROSCOPY LETTERS | 1998年 / 31卷 / 06期

关键词：

diode laser; excitation temperature; hollow cathode discharge; optogalvanic spectroscopy; emission spectroscopy;

D O I：

10.1080/00387019808003292

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The excitation temperatures of sputtered gadolinium and uranium atoms in an argon hollow cathode discharge have been determined by diode laser-excited optogalvanic spectroscopy. These results have been compared to those determined by conventional emission spectroscopy. It was found that the temperatures derived from each method do not differ very much, but the optogalvanic method revealed a better standard deviation uncertainty due to the good signal-to-background ratios and excellent spectral resolutions. Temperature variations with discharge currents ranging from 15 to 50 mA have been examined.

引用

页码：1151 / 1165

页数：15

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