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A coherent dual-comb spectrometer at 3.4 υm for accurate line center measurement of methane
Published
Author(s)
Esther Baumann, Fabrizio R. Giorgetta, Ian R. Coddington, William C. Swann, Alexander M. Zolot, Nathan R. Newbury
Abstract
Doppler-broadened methane lines around 3.4 υm are measured with a coherent dual-comb spectrometer with an absolute-frequency axis. The obtained accuracy of the line-center frequency is 300 kHz, about 1 part per thousand of the linewidth.
Baumann, E.
, Giorgetta, F.
, Coddington, I.
, Swann, W.
, Zolot, A.
and Newbury, N.
(2011),
A coherent dual-comb spectrometer at 3.4 υm for accurate line center measurement of methane, Frontiers in Optics 2011, San Jose, CA
(Accessed October 2, 2025)