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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 9 — May. 1, 2007
  • pp: 1177–1179

External cavity quantum cascade laser for quartz tuning fork photoacoustic spectroscopy of broad absorption features

Mark C. Phillips, Tanya L. Myers, Michael D. Wojcik, and Bret D. Cannon  »View Author Affiliations


Optics Letters, Vol. 32, Issue 9, pp. 1177-1179 (2007)
http://dx.doi.org/10.1364/OL.32.001177


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Abstract

We demonstrate mid-infrared spectroscopy of large molecules with broad absorption features using a tunable external cavity quantum cascade laser. Absorption spectra for two different Freons are measured over the range 1130 1185 cm 1 with 0.2 cm 1 resolution via laser photoacoustic spectroscopy with quartz tuning forks as acoustic transducers. The measured spectra are in excellent agreement with published reference absorption spectra.

© 2007 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3600) Lasers and laser optics : Lasers, tunable
(140.5960) Lasers and laser optics : Semiconductor lasers
(300.6340) Spectroscopy : Spectroscopy, infrared
(300.6430) Spectroscopy : Spectroscopy, photothermal

ToC Category:
Spectroscopy

History
Original Manuscript: December 18, 2006
Revised Manuscript: January 31, 2007
Manuscript Accepted: February 4, 2007
Published: April 3, 2007

Citation
Mark C. Phillips, Tanya L. Myers, Michael D. Wojcik, and Bret D. Cannon, "External cavity quantum cascade laser for quartz tuning fork photoacoustic spectroscopy of broad absorption features," Opt. Lett. 32, 1177-1179 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-9-1177

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