Dual-Comb Spectroscopy with Frequency Modulation

Zhenhai Wang,Xing Chao,Jeong Hyun Huh,Edoardo Vicentini,Theodor W. Hänsch,Nathalie Picqué

Dual-Comb Spectroscopy with Frequency Modulation

2021

Zhenhai Wang
Xing Chao
Jeong Hyun Huh
Edoardo Vicentini
Theodor W. Hänsch
Nathalie Picqué

Dual-comb spectroscopy with frequency modulation and synchronous lock-in detection over the entire spectral bandwidth of the combs is demonstrated with absorption and dispersion spectra of C2H2 in the 1.5 μm region.

Keywords:

Spectroscopy
Spectral line
Frequency modulation
Phase modulation
modulation spectroscopy
Absorption (electromagnetic radiation)
Optoelectronics
Materials science
Dispersion (optics)

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