Evaluation of a commercially available passively Q-switched Nd:YAG laser with LiF:F2- saturable absorber for laser-induced breakdown spectroscopy

被引：5

作者：

Carson, Cantwell G. ^{[1
]}

Goueguel, Christian L. ^{[1
]}

Sanghapi, Herve ^{[2
]}

Jain, Jinesh ^{[3
]}

McIntyre, Dustin ^{[4
]}

机构：

[1] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA

[2] Mississippi State Univ, Inst Clean Energy Technol, Starkville, MS 39759 USA

[3] AECOM Technol Corp, Pittsburgh, PA 15236 USA

[4] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA

来源：

OPTICS AND LASER TECHNOLOGY | 2016年 / 79卷

关键词：

QUANTITATIVE-ANALYSIS; MICROCHIP LASER; PLASMA; LIBS;

D O I：

10.1016/j.optlastec.2015.12.004

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Interest in passively Q-switched microchip lasers as a means for miniaturization of laser-induced breakdown spectroscopy (LIBS) apparatus has rapidly grown in the last years. To explore the possibility of using a comparatively UV-vis transparent absorber, we herein present the first report on the evaluation of a commercially available flash lamp-pumped passively Q-switched Nd:YAG laser with LiF:F-2(-) saturable absorber as an excitation source in LIBS. Quantitative measurements of barium, strontium, rubidium and lithium in granite, rhyolite, basalt and syenite whole-rock glass samples were performed. Using a gated intensified benchtop spectrometer, limits of detection of 0.97, 23, 37, and 144 ppm were obtained for Li, Sr, Rb, and Ba, respectively. Finally, we discuss the advantages of using such a laser unit for LIBS applications in terms of ablation efficiency, analytical performances, output energy, and standoff capabilities. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：146 / 152

页数：7

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