Title :
Recent progress in high precision atmospheric trace gas instruments using mid-infrared quantum cascade lasers
Author :
McManus, J. Barry ; Zahniser, Mark S. ; Nelson, David D. ; McGovern, R.M. ; Agnese, M.
Author_Institution :
Aerodyne Res., Inc., Billerica, MA, USA
Abstract :
We report results from high precision spectroscopic instruments for atmospheric trace gases using with mid-IR quantum cascade lasers. Numerous gases can be measured with 1s absorption noise ~1×10-6, allowing e.g. 1s OCS precision of 10-12.
Keywords :
atmospheric optics; infrared spectra; laser noise; light absorption; measurement by laser beam; spectrochemical analysis; absorption noise; high-precision atmospheric trace gas instruments; high-precision spectroscopic instruments; midinfrared quantum cascade lasers; Absorption; Atmospheric measurements; Gases; Instruments; Laser noise; Measurement by laser beam; Quantum cascade lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
