Title :
Faraday rotation spectroscopy of O2 using a distributed feedback diode laser and a static magnetic field
Author :
Zhang, Enxia ; Brumfield, Brian ; Wysocki, Gerard
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
Faraday rotation spectroscopy is used for measurement of O2 at atmospheric conditions. Low operating powers (<; 10 W) are achieved by using rare-earth magnets for DC magnetic field generation. A sensitivity of 1.7 ppmv/√Hz is demonstrated.
Keywords :
Faraday effect; distributed feedback lasers; infrared spectroscopy; magneto-optical effects; semiconductor lasers; spectroscopic light sources; DC magnetic field generation; Faraday rotation spectroscopy; O2; distributed feedback diode laser; sensitivity; static magnetic field; Atmospheric measurements; Noise; Optical noise; Optical sensors; Optical variables measurement; Sensitivity; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
