Author:
Gomółka Grzegorz,Huang Baichuan,Mikkonen Tommi,Wysocki Gerard
Abstract
Fourier transform photothermal spectroscopy is demonstrated in a multi-pass configuration using a quantum cascade laser frequency comb operating between 7.7 and 8.2 µm. Broadband detection of nitrous oxide in the mid-infrared is performed as proof-of-concept.