Trace gas sensing using DFB laser and QCL with miniaturized 3D-printed photoacoustic gas cells

Bauer, Ralf and Flockhart, Gordon M. H. and Johnstone, Walter and Lengden, Michael; (2016) Trace gas sensing using DFB laser and QCL with miniaturized 3D-printed photoacoustic gas cells. In: International Conference on Fibre Optics and Photonics 2016. Optical Society of America, IND. ISBN 978-1-943580-22-4 (https://doi.org/10.1364/PHOTONICS.2016.W4G.3)

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Abstract

Miniaturized 3D-printed photoacoustic trace gas sensors are presented, targeting gas species with absorption features in the telecommunications band as well as the mid-infrared with recovered gas concentrations down to the parts-per-billion range.