Title :
Novel in-situ calibrations for open-path ammonia sensing
Author :
Sun, Kang ; Tao, Lei ; Miller, David J. ; Khan, M. Amir ; Zondlo, Mark A.
Author_Institution :
Dept. of Civil & Environ. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
We demonstrate a real-time calibration of open-path ammonia sensing with an ethylene reference cell. Different harmonic WMS signals separate ethylene and ammonia so that ethylene signal varies within 1% under ambient ammonia concentration.
Keywords :
ammonia; gas sensors; infrared spectroscopy; remote sensing by laser beam; NH3; ambient ammonia concentration; ethylene reference cell; harmonic WMS signals; in-situ calibrations; open-path ammonia sensing; real-time calibration; Absorption; Atmospheric measurements; Calibration; Databases; Modulation; Quantum cascade lasers; Sensors;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
