Comb-based FTIR spectroscopy of CO perturbed by N2 at 4.6 µm Akiko Nishiyama, Grzegorz Kowzan, Dominik Charczun, Roman Ciuryło and Piotr Masłowski EPJ Web Conf., 287 (2023) 07030 Published online: 18 October 2023 DOI: 10.1051/epjconf/202328707030