Mid-IR Dual-Comb Spectroscopy of Acetylene Using a 250-MHz Optical Parametric Oscillator

• DOI: 10.1364/fts.2023.fth2a.6
• Publication Date: 2023-10-17T12:01:22Z
• Authors: Carolin P. Bauer; Benjamin Willenberg; Justinas Pupeikis; Michelle K. Bollier; Christopher R. Ph...; Ursula Keller

We demonstrate coherent dual-comb spectroscopy of acetylene at 3070 nm using a spatially-multiplexed dual-comb 250-MHz OPO from a linear single-cavity. The idler is broadly tunable (2900-5170 nm) at high powers per comb line (>120 μW).