Cavity-Enhanced Measurements of Benzene for Environmental Monitoring

M. Mhanna, G. Zhang, N. Kunnummal, and A. Farooq
Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America), (2020)

Keywords

Absorption spectroscopy, Infrared lasers, Infrared radiation, Laser sensors, Optical testing, Semiconductor lasers

Abstract

​A laser sensor is developed for trace detection of benzene. It is based on a DFB-ICL near 3.3 pm and off-axis cavity-enhanced absorption, enabling minimum detection of 2 ppb for 6-second integration at room conditions.

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