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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, Washington. ISBN 978-1-943580-22-4

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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.