Title :
Compact multi-pass cell based Faraday rotation spectrometer for nitric oxide detection
Author :
Wang, Yin ; Nikodem, Michal ; Brumfield, Brian ; Wysocki, Gerard
Author_Institution :
Electr. Eng. Dept., Princeton Univ., Princeton, NJ, USA
Abstract :
Nitric oxide sensing based on a 3.5 m Herriott cell-enhanced Faraday rotation spectrometer is reported. A minimum detection limit of 3.2 ppb/Hz1/2 is achieved using NO R(8.5)e transition at 1906.14cm-1 and 100 Gauss field.
Keywords :
Faraday effect; chemical sensors; optical sensors; spectrometers; Gauss field; Herriott cell-enhanced Faraday rotation spectrometer; compact multipass cell; minimum detection limit; nitric oxide detection; nitric oxide sensor; size 3.5 m; Faraday effect; Measurement by laser beam; Optical polarization; Optical sensors; Quantum cascade lasers; Signal to noise ratio;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
