Precise Mid-Infrared Dual-Comb Spectroscopy of Ethylene

Zhenhai Wang,Zaijun Chen,Xing Chao,Edoardo Vicentini,Theodor W. Hänsch,Nathalie Picqué

Precise Mid-Infrared Dual-Comb Spectroscopy of Ethylene

2020

Zhenhai Wang
Zaijun Chen
Xing Chao
Edoardo Vicentini
Theodor W. Hänsch
Nathalie Picqué

Dual-comb spectroscopy of Doppler-broadened rovibrational transitions of ethylene is performed in the 3-µm region with resolved comb lines and self-referencing of the fiber combs, leading to line-position measurements with an average uncertainty of 2.3 MHz.

Keywords:

Fourier transform spectroscopy
Analytical chemistry
mid infrared
Dispersion (optics)
Fiber
Rotational–vibrational spectroscopy
Spectroscopy
Ethylene
Materials science

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