Journal
SENSORS
Volume 18, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/s18113646
Keywords
incoherent broadband cavity-enhanced absorption spectroscopy (IBBCEAS); molecular spectroscopy; gas sensing; broadband light source; supercontinuum light source
Funding
- National Key R&D Program of China [2017YFB0405300]
- National Natural Science Foundation of China [61775079, 61627823]
- Key Science and Technology R&D program of Jilin Province, China [20180201046GX]
- Industrial Innovation Program of Jilin Province, China [2017C027]
- National Science Foundation (NSF) ERC MIRTHE award
- Robert Welch Foundation [C0586]
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Incoherent broadband cavity-enhanced absorption spectroscopy (IBBCEAS) is of importance for gas detection in environmental monitoring. This review summarizes the unique properties, development and recent progress of the IBBCEAS technique. Principle of IBBCEAS for gas sensing is described, and the development of IBBCEAS from the perspective of system structure is elaborated, including light source, cavity and detection scheme. Performances of the reported IBBCEAS sensor system in laboratory and field measurements are reported. Potential applications of this technique are discussed.
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