期刊
APPLIED SPECTROSCOPY REVIEWS
卷 55, 期 5, 页码 393-417出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/05704928.2019.1661850
关键词
Raman spectroscopy; multiple-pass cavity; Fabry-Perot cavity; laser cavity; microcavity
资金
- National Natural Science Foundation of China [U1766217, 61605020]
Raman spectroscopy is a powerful method for gas sensing but is limited by the inherently weak Raman effect. Due to the increase in intracavity laser power or improvement in spontaneous emission, cavity-enhanced technology is a useful enhancement method for the improvement of the limits of detection, which permits Raman spectroscopy to get better applications in gas sensing. In this article, a brief review of several cavity-enhanced technologies used in gas sensing by Raman spectroscopy is presented, the enhanced-cavities including multiple-pass cavities, Fabry-Perot cavities, laser cavities, and microcavities. Finally, the advantages and limitations of these different technologies are discussed.
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