Abstract

An optical gas standard (OGS) based on time-multiplexed direct tunable diode laser absorption spectroscopy and wavelength modulation spectroscopy is presented. Using CO2 as surrogate gas a HCl detection-limit of 380 pptv is confirmed for the HCl 1-0 P5 line.

© 2020 The Author(s)

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Supplementary Material (1)

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