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Conferences > UFO > 2023 > F4 > F4.1

Dual-comb spectroscopy using free-running combs with digital phase correction

Haochen Tian, Runmin Li, Lukasz A. Sterczewski, Takeru Endo, Takashi Kato, Akifumi Asahara, and Kaoru Minoshima

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Abstract

We realize dual-comb spectroscopy measurements using two types of free-running optical frequency combs, independent Yb:fiber combs with 750-MHz repetition rate and mechanical sharing Er:fiber combs with 51-MHz repetition rate. Assisted by all-computational digital phase correction techniques, the absorption features of gaseous cells are characterized with sufficient signal-to-noise ratio.

© 2023 UFOXIII

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