J
James Walega
Researcher at Institute of Arctic and Alpine Research
Publications - 147
Citations - 7709
James Walega is an academic researcher from Institute of Arctic and Alpine Research. The author has contributed to research in topics: Troposphere & Spectrometer. The author has an hindex of 51, co-authored 144 publications receiving 6953 citations. Previous affiliations of James Walega include National Center for Atmospheric Research & University of Colorado Boulder.
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Proceedings ArticleDOI
Mid-infrared QPM laser sources for high-precision atmospheric trace gas measurements
Dirk Richter,Petter Weibring,Alan Fried,James Walega,Osamu Tadanaga,Masaki Asobe,Hiroyuki Suzuki +6 more
TL;DR: In this paper, mid-infrared lasers based on quasi-phase matched bulk PPLN crystals have been implemented on airborne atmospheric research platforms and enabling a detectable fractional absorbance of about 5E-7, which equates to single digit part-per-trillion detectable concentrations for many atmospherically important trace gases.
Proceedings ArticleDOI
Advanced Difference Frequency Generation Laser Spectrometer: Design and Airborne Field Performance
TL;DR: In this article, the design and performance of a new Difference Frequency Generation spectrometer operated aboard a Gulfstream-V jet during the Deep Convective Cloud and Chemistry research study (DC3) during the spring of 2012 was reported.