Dual-Comb Photoacoustic Spectroscopy

Authors :: Victor Brasch
Thibault Wildi
Tobias Herr
Gürkan Yilmaz
Thibault Voumard
Source :: Conference on Lasers and Electro-Optics.
Publication Year :: 2020
Publisher :: Optica Publishing Group, 2020.
Abstract: Photoacoustic dual-comb spectroscopy is demonstrated, providing scan-free mapping of optical absorption spectra to acoustically detectable frequencies. Narrow absorption features of a low volume gas sample are resolved with high signal-to-noise ratio in short acquisition time.