Title :
Mid-infrared frequency comb for rapid detection of CH4 and H2O in open air
Author :
Nugent-Glandorf, Lora ; Giorgetta, Fabrizio ; Diddams, Scott
Author_Institution :
Time & Freq. Div., Nat. Inst. of Stand. & Technol., Boulder, CO, USA
Abstract :
We present open-air trace-gas spectroscopy utilizing a mid-infrared frequency comb. The MIR beam spanning 300 nm propagates through 26 m of atmosphere and absorption spectra are collected in 2 ms with a Virtual-Image Phased-Array spectrometer.
Keywords :
gas sensors; infrared spectra; light propagation; optical frequency combs; organic compounds; spectrochemical analysis; water; H2O; MIR beam; absorption spectra; mid-infrared frequency comb; open-air trace-gas spectroscopy; propagation; rapid detection; virtual-image phased-array spectrometer; Absorption; Atmospheric measurements; Frequency measurement; Laser beams; Optical variables measurement; Spectroscopy; Water;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
