Title :
Isotopic ratiometry of nitric oxide using a dual-modulation Faraday rotation spectrometer
Author :
Zhang, Eric J. ; Nuruzzaman, Farhan ; Yin Wang ; Sigman, Daniel ; Wysocki, Gerard
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
A dual-modulation Faraday rotation spectrometer is employed for isotopic ratiometry of nitric oxide (NO) converted from nitrate/nitrite. Excellent linearity of measured NO to dissolved nitrate is demonstrated. Ratiometry of IAEA-NO-3 standards indicates ~3 % accuracy.
Keywords :
Faraday effect; chemical sensors; infrared spectrometers; nitrogen compounds; quantum cascade lasers; IAEA-NO-3 standards; NO; dissolved nitrate; dual-modulation Faraday rotation spectrometer; isotopic ratiometry; nitric oxide; nitrite; quantum cascade laser; Accuracy; Faraday effect; Linearity; Nitrogen; Optical sensors; Quantum cascade lasers; Standards;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
