Sensitive H2 detection by use of thermal-lens Raman spectroscopy without a tunable laser

Yuji Oki, Shinichiro Nakazono, Yuji Nonaka, Mitsuo Maeda

研究成果: Contribution to journalArticle査読

10 被引用数 (Scopus)

抄録

A new nonlinear Raman spectroscopy technique for trace-gas detection was proposed and demonstrated. The technique involved the use of a thermal-lens detection scheme to monitor thermal emission from the stimulated Raman process. We termed this technique thermal-lens Raman spectroscopy, and it was combined with a novel scheme involving a nonlinear Raman spectroscopy without a tunable laser. This technique was applied to detecting trace hydrogen molecules in the atmosphere by use of a pulsed Nd:YAG laser and a continuous-wave He-Ne probe laser. A detection limit of 9 parts in 106 was attained.

本文言語英語
ページ(範囲)1040-1042
ページ数3
ジャーナルOptics Letters
25
14
DOI
出版ステータス出版済み - 7 15 2000

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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