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Tunable Diode Laser Absorption Spectroscopy of Carbon Monoxide Around 2.35 microm.

PubMed
Authors: Nicolas JC, Baranov AN, Cuminal Y, Rouillard Y, Alibert C

Year

1998

Paper ID

13472

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

97

Citations

29

Abstract

Novel GaInSbAs/GaSb multiple-quantum-well lasers operating near room temperature have been successfully used for tunable diode laser absorption spectroscopy in the vicinity of 2.35 mum. Continuous current tuning over a more than 150-GHz frequency range has been realized. Direct absorption measurements have been carried out on the R, R, R, and R lines of carbon monoxide. Traces of carbon monoxide at the level of 0.3 part in 10(6) in volume at 100 Torr could be detected by the low-frequency wavelength-modulation technique and an astigmatic multipass cell. These results show a potential use of these diode lasers in portable low-cost trace-pollutant sensors.

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  • Novel GaInSbAs/GaSb multiple-quantum-well lasers operating near room temperature have been successfully used for tunable diode laser absorption spectroscopy in the vicinity of...

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References & Citation Signals

[1] DOI https://doi.org/10.1364/ao.37.007906 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/18301632/

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