Long, D.
, Fleisher, A.
, Douglass, K.
, Maxwell, S.
, Bielska, K.
, Hodges, J.
and Plusquellic, D.
(2014),
Multiheterodyne spectroscopy with optical frequency combs generated from a continuous-wave laser, Optics Letters, [online], https://doi.org/10.1364/OL.39.002688
(Accessed December 26, 2024)
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Multiheterodyne spectroscopy with optical frequency combs generated from a continuous-wave laser
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Abstract
Dual-drive Mach-Zehnder modulators were utilized to produce power-leveled optical frequency combs (OFCs) from a continuous-wave laser. The resulting OFCs contained up to fifty unique frequency components and spanned more than 200 GHz. Simple changes to the modulation frequency allowed for agile control of the comb spacing. These OFCs were then utilized for broadband, multiheterodyne measurements of CO2 using both a multipass cell and an optical cavity. This technique allows for robust measurements of trace gas species and alleviates much of the cost and complexity associated with the use of femtosecond OFCs produced with mode-locked pulsed lasers.Citation
Optics Letters
Volume
39
Issue
9
Pub Type
Journals
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Keywords
Optical frequency comb, Spectroscopy, Electro-optic modulator, Multiheterodyne spectroscopy
Citation
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Created May 1, 2014, Updated November 10, 2018