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Issue 22, 2016

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

Article information


Submitted
17 May 2016
Accepted
07 Aug 2016
First published
08 Aug 2016

This article is Open Access

Analyst, 2016,141, 6202-6207
Article type
Communication

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

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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