Cavity-Enhanced Measurements of Benzene for Environmental Monitoring
Mhanna Mhanna, Guangle Zhang, Noushad Kunnummal, Aamir Farooq
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.
Topics & Concepts
BenzeneAbsorption (acoustics)Materials scienceTRACE (psycholinguistics)LaserOptoelectronicsOpticsChemistryPhysicsPhilosophyLinguisticsOrganic chemistryComposite materialSpectroscopy and Laser ApplicationsLaser Design and ApplicationsAtmospheric and Environmental Gas Dynamics