Scientific Results

Intracavity Quartz-Enhanced Photoacoustic Sensor for Mid-Infrared Trace-Gas Detection

Year: 2014

Authors: Borri S., Patimisco P., Galli I., Mazzotti D., Giusfredi G., Scamarcio G., De Natale P., Akikusa N., Yamanishi M., Spagnolo V.

Autors Affiliation: Istituto Nazionale di Ottica (INO) – CNR and European Laboratory for Non-linear Spectroscopy (LENS), Sesto Fiorentino FI, Italy;
Dipartimento Interateneo di Fisica, Università e Politecnico di Bari,and Istituto di Fotonica e Nanotecnologie (IFN) РCNR, Via Amendola 173, 70126 Bari Italy;
Development Bureau Laser Device R&D Group, Hamamatsu Photonics KK, Shizuoka 434-8601, Japan;
Central Research Laboratories, Hamamatsu Photonics KK, Shizuoka 434-8601, Japan

Abstract: Quartz-enhanced photoacoustic spectroscopy (QEPAS) and cavity-ehnanced spectroscopy are merged in a novel gas sensor. Thanks to the intracavity power build up, sensitivity is increased by more than a factor 100 with respect to standard QEPAS.

Conference title: 2014 Conference on Lasers and Electro-Optics (CLEO 2014)
Place: San Jose, USA

KeyWords: photoacoustic spectroscopy; mid infrared; optical cavity

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