Large Amplitude Wavelength Modulation Spectroscopy for Sensitive Measurements of Broad Absorbers

T. R. S. Hayden; P. J. Schroeder; G. B. Rieker

doi:10.1364/CLEO_SI.2015.SM1O.5

CLEO: 2015
OSA Technical Digest (online) (Optica Publishing Group, 2015),
paper SM1O.5
•https://doi.org/10.1364/CLEO_SI.2015.SM1O.5

Large Amplitude Wavelength Modulation Spectroscopy for Sensitive Measurements of Broad Absorbers

T. R. S. Hayden, P. J. Schroeder, and G. B. Rieker

CLEO: Science and Innovations 2015

San Jose, California United States
10–15 May 2015
ISBN: 978-1-55752-968-8

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Advanced Spectroscopic Techniques (SM1O)

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T. R. S. Hayden, P. J. Schroeder, and G. B. Rieker, "Large Amplitude Wavelength Modulation Spectroscopy for Sensitive Measurements of Broad Absorbers," in CLEO: 2015, OSA Technical Digest (online) (Optica Publishing Group, 2015), paper SM1O.5.

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Abstract

We demonstrate wavelength modulation spectroscopy of CO₂ at >30 atm using a fast-scanning MEMS laser. The technique shows promise for sensitive measurements of species with broadband absorption features, such as high-pressure gases and large molecules.

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