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Airborne measurements of atmospheric methane column abundance using a pulsed integrated-path differential absorption lidar |
Applied Optics, Vol. 51, Issue 34, pp. 8296-8305 (2012)
http://dx.doi.org/10.1364/AO.51.008296
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Abstract
We report airborne measurements of the column abundance of atmospheric methane made over an altitude range of 3–11 km using a direct detection integrated-path differential-absorption lidar with a pulsed laser emitting at 1651 nm. The laser transmitter was a tunable, seeded optical parametric amplifier pumped by a Nd:YAG laser, and the receiver used a photomultiplier detector and photon-counting electronics. The results follow the expected changes with aircraft altitude, and the measured line shapes and optical depths show good agreement with theoretical calculations.
© 2012 Optical Society of America
OCIS Codes
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar
(280.3640) Remote sensing and sensors : Lidar
(300.1030) Spectroscopy : Absorption
(010.0280) Atmospheric and oceanic optics : Remote sensing and sensors
ToC Category:
Remote Sensing and Sensors
History
Original Manuscript: August 24, 2012
Manuscript Accepted: October 11, 2012
Published: November 30, 2012
Citation
Haris Riris, Kenji Numata, Steve Li, Stewart Wu, Anand Ramanathan, Martha Dawsey, Jianping Mao, Randolph Kawa, and James B. Abshire, "Airborne measurements of atmospheric methane column abundance using a pulsed integrated-path differential absorption lidar," Appl. Opt. 51, 8296-8305 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-34-8296
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