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

Mark C. Phillips, Matthew S. Taubman

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

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.

Original languageEnglish (US)
Pages (from-to)2664-2666
Number of pages3
JournalOptics letters
Volume37
Issue number13
DOIs
StatePublished - Jul 1 2012
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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