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Proceedings Paper

Tunable External Cavity Quantum Cascade Lasers (EC-QCL): an application field for MOEMS based scanning gratings
Author(s): Jan Grahmann; André Merten; Ralf Ostendorf; Michael Fontenot; Daniela Bleh; Harald Schenk; Hans-Joachim Wagner
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Paper Abstract

In situ process information in the chemical, pharmaceutical or food industry as well as emission monitoring, sensitive trace detection and biological sensing applications would increasingly rely on MIR-spectroscopic anal­ysis in the 3 μm - 12 μm wavelength range. However, cost effective, portable, low power consuming and fast spectrometers with a wide tuning range are not available so far. To provide these MIR-spectrometer properties, the combination of quantum cascade lasers with a MOEMS scanning grating as wavelength selective element in the external cavity is addressed to provide a very compact and fast tunable laser source for spectroscopic analysis.

Paper Details

Date Published: 7 March 2014
PDF: 11 pages
Proc. SPIE 8977, MOEMS and Miniaturized Systems XIII, 897708 (7 March 2014); doi: 10.1117/12.2039950
Show Author Affiliations
Jan Grahmann, Fraunhofer-Institut für Photonische Mikrosysteme (Germany)
André Merten, Fraunhofer-Institut für Photonische Mikrosysteme (Germany)
Ralf Ostendorf, Fraunhofer-Institut für Angewandte Festkörperphysik (Germany)
Michael Fontenot, Fraunhofer-Institut für Photonische Mikrosysteme (Germany)
Daniela Bleh, Fraunhofer-Institut für Angewandte Festkörperphysik (Germany)
Harald Schenk, Fraunhofer-Institut für Photonische Mikrosysteme (Germany)
Hans-Joachim Wagner, Fraunhofer-Institut für Angewandte Festkörperphysik (Germany)

Published in SPIE Proceedings Vol. 8977:
MOEMS and Miniaturized Systems XIII
Wibool Piyawattanametha; Yong-Hwa Park, Editor(s)

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