A mid-infrared dual-comb spectrometer in step-sweep mode for high-resolution molecular spectroscopy

Muriel Lepere,Olivier Browet, Jean Clement,Bastien Vispoel,Pitt Allmendinger,Jakob Hayden,Florian Eigenmann,Andreas Hugi,Markus Mangold

Journal of Quantitative Spectroscopy and Radiative Transfer（2022）

引用 14|浏览6

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摘要

•Table-top dual-comb spectrometer in high-resolution step-sweep mode.•Mid-infrared spectra with 10−4 cm−1 wavenumber accuracy.•Gapless coverage of 50 cm−1.•Application to N2-collisional broadening of methane lines.

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关键词

High-resolution dual-comb spectroscopy,Quantum cascade laser frequency comb,Mid-infrared,N2-collisional broadening of methane lines

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