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 language | English (US) |
---|---|
Pages (from-to) | 2664-2666 |
Number of pages | 3 |
Journal | Optics letters |
Volume | 37 |
Issue number | 13 |
DOIs | |
State | Published - Jul 1 2012 |
Externally published | Yes |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics