Title :
A rotational sample/reference cell for high-accuracy realtime spectroscopic trace-gas sensing
Author :
Smith, C.J. ; Wen Wang ; Wysocki, Gerard
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
We demonstrate real-time drift correction of a quantum cascade laser based direct absorption trace-gas sensor using a rotating in-line reference cell. High accuracy and performance sufficient for long-term environmental monitoring has been demonstrated.
Keywords :
gas sensors; quantum cascade lasers; remote sensing by laser beam; spectrochemical analysis; spectroscopic light sources; high-accuracy realtime spectroscopic trace-gas sensing; long-term environmental monitoring; quantum cascade laser; reference cell; rotational sample; Absorption; Adaptive optics; Calibration; Measurement by laser beam; Optical sensors; Quantum cascade lasers; Sensitivity;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
