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A Mid-Infrared Dual Comb Spectrometer for the Determination of Stable Isotope Ratios of Carbon Dioxide

: Goldschmidt, Jens; Nitzsche, Leonard; Kießling, Jens; Kühnemann, Frank; Wöllenstein, Jürgen

Optical Society of America -OSA-, Washington/D.C.:
Applied Industrial Spectroscopy 2021 : Washington, DC United States, 19-23 July 2021, Proceedings OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES), Part of Optical Sensors and Sensing Congress
Washington, D.C.: OSA, 2021
ISBN: 978-1-943580-90-3
Paper JTu4D.2
Meeting "Applied Industrial Spectroscopy" (AIS) <2021, Online>
Optical Sensors and Sensing Congress <2021, Online>
Fraunhofer IPM ()
mass spectrometry; parametric oscillator; periodically poled lithium niobate; spectrometers

A mid-infrared dual-comb spectrometer is utilized for the determination of the isotopic ratio of the stable isotopologues 12CO2 and 13CO2 under atmospheric conditions in the ν3 band of carbon dioxide at 4375 nm.