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Issue 22, 2016
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Advanced gas sensors based on substrate-integrated hollow waveguides and dual-color ring quantum cascade lasers

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Abstract

This study shows the first combination of a ring-shaped vertically emitting quantum cascade laser (riQCL) providing two distinct emission wavelengths combined with a substrate-integrated hollow waveguide (iHWG). This ultra-compact riQCL-iHWG gas sensing device enables the simultaneous detection of two vapor phase species – here, furan and 2-methoxyethanol – providing distinctive absorption features at the emission wavelengths of the riQCL (i.e., 1144 and 1170 cm−1). Hence, multianalyte gas sensing via a unique mid-infrared (MIR) sensor concept is demonstrated.

Graphical abstract: Advanced gas sensors based on substrate-integrated hollow waveguides and dual-color ring quantum cascade lasers

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Publication details

The article was received on 17 May 2016, accepted on 07 Aug 2016 and first published on 08 Aug 2016


Article type: Communication
DOI: 10.1039/C6AN01130F
Citation: Analyst, 2016,141, 6202-6207
  • Open access: Creative Commons BY license
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    Advanced gas sensors based on substrate-integrated hollow waveguides and dual-color ring quantum cascade lasers

    E. Tütüncü, V. Kokoric, R. Szedlak, D. MacFarland, T. Zederbauer, H. Detz, A. M. Andrews, W. Schrenk, G. Strasser and B. Mizaikoff, Analyst, 2016, 141, 6202
    DOI: 10.1039/C6AN01130F

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