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Broadband QEPAS with IR-LEDs

 
: Böttger, S.; Willer, U.; Schade, W.

Institute of Electrical and Electronics Engineers -IEEE-; Optical Society of America -OSA-, Washington/D.C.:
Conference on Lasers and Electro-Optics, CLEO 2012 : San Jose, California, USA, 6 - 11 May 2012
Piscataway, NJ: IEEE, 2012
ISBN: 978-1-4673-1839-6
S.2236-2237
Conference on Lasers and Electro-Optics (CLEO) <2012, San Jose/Calif.>
Englisch
Konferenzbeitrag
Fraunhofer HHI ()

Abstract
An IR-LED at 3.4 mum and an off-beam QEPAS cell as detector are utilized for absorption spectroscopy. For 10 cm absorption path a detection limit of 382 ppm is achieved for methane.

: http://publica.fraunhofer.de/dokumente/N-275881.html