Dual-Comb Spectroscopy of C2H2 in the SWIR Using a 250-MHz Optical Parametric Oscillator

• DOI: 10.1364/assl.2022.atu3a.8
• Publication Date: 2023-03-08T16:56:01Z
• Authors: Carolin P. Bauer; Justinas Pupeikis; Benjamin Willenberg; Christopher R. Ph...; Ursula Keller
• Keywords: Repetition (rhetorical device); SIGNAL (programming language)

We demonstrate coherent dual-comb spectroscopy of C2H2 at 1520 nm using a spatially- multiplexed 250-MHz OPO from linear single-cavity. The repetition-rate difference is 15.4 kHz. Each signal comb has >125-mW average power.