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Optics Letters

Optics Letters


  • Vol. 37, Iss. 13 — Jul. 1, 2012
  • pp: 2664–2666

Intracavity sensing via compliance voltage in an external cavity quantum cascade laser

Mark C. Phillips and Matthew S. Taubman  »View Author Affiliations

Optics Letters, Vol. 37, Issue 13, pp. 2664-2666 (2012)

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We demonstrate a technique for gas phase spectroscopy and sensing by detecting changes in compliance voltage of an external cavity quantum cascade laser due to intracavity absorption. The technique is characterized and used to measure the absorption spectrum of water vapor and Freon-134a.

© 2012 Optical Society of America

OCIS Codes
(140.3600) Lasers and laser optics : Lasers, tunable
(300.6340) Spectroscopy : Spectroscopy, infrared
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 12, 2012
Revised Manuscript: May 3, 2012
Manuscript Accepted: May 14, 2012
Published: June 26, 2012

Mark C. Phillips and Matthew S. Taubman, "Intracavity sensing via compliance voltage in an external cavity quantum cascade laser," Opt. Lett. 37, 2664-2666 (2012)

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