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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 9 — May. 1, 2014
  • pp: 2688–2690

Multiheterodyne spectroscopy with optical frequency combs generated from a continuous-wave laser

D. A. Long, A. J. Fleisher, K. O. Douglass, S. E. Maxwell, K. Bielska, J. T. Hodges, and D. F. Plusquellic  »View Author Affiliations


Optics Letters, Vol. 39, Issue 9, pp. 2688-2690 (2014)
http://dx.doi.org/10.1364/OL.39.002688


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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 50 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.

OCIS Codes
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(230.2090) Optical devices : Electro-optical devices
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms
(300.6310) Spectroscopy : Spectroscopy, heterodyne
(300.6390) Spectroscopy : Spectroscopy, molecular

ToC Category:
Spectroscopy

History
Original Manuscript: February 5, 2014
Revised Manuscript: March 6, 2014
Manuscript Accepted: March 7, 2014
Published: April 24, 2014

Citation
D. A. Long, A. J. Fleisher, K. O. Douglass, S. E. Maxwell, K. Bielska, J. T. Hodges, and D. F. Plusquellic, "Multiheterodyne spectroscopy with optical frequency combs generated from a continuous-wave laser," Opt. Lett. 39, 2688-2690 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-9-2688

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