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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Jospeh N. Mait
  • Vol. 48, Iss. 3 — Jan. 20, 2009
  • pp: 512–524

Scanning tropospheric ozone and aerosol lidar with double-gated photomultipliers

Janet L. Machol, Richard D. Marchbanks, Christoph J. Senff, Brandi J. McCarty, Wynn L. Eberhard, William A. Brewer, Ronald A. Richter, Raul J. Alvarez, II, Daniel C. Law, Ann M. Weickmann, and Scott P. Sandberg  »View Author Affiliations


Applied Optics, Vol. 48, Issue 3, pp. 512-524 (2009)
http://dx.doi.org/10.1364/AO.48.000512


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Abstract

The Ozone Profiling Atmospheric Lidar is a scanning four-wavelength ultraviolet differential absorption lidar that measures tropospheric ozone and aerosols. Derived profiles from the lidar data include ozone concentration, aerosol extinction, and calibrated aerosol backscatter. Aerosol calibrations assume a clear air region aloft. Other products include cloud base heights, aerosol layer heights, and scans of particulate plumes from aircraft. The aerosol data range from 280 m to 12 km with 5 m range resolution, while the ozone data ranges from 280 m to about 1.2 km with 100 m resolution. In horizontally homogeneous atmospheres, data from multiple-elevation angles is combined to reduce the minimum altitude of the aerosol and ozone profiles to about 20 m . The lidar design, the characterization of the photomultiplier tubes, ozone and aerosol analysis techniques, and sample data are described. Also discussed is a double-gating technique to shorten the gated turn-on time of the photomultiplier tubes, and thereby reduce the detection of background light and the outgoing laser pulse.

© 2009 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(010.4950) Atmospheric and oceanic optics : Ozone
(040.5250) Detectors : Photomultipliers
(280.1100) Remote sensing and sensors : Aerosol detection
(280.1120) Remote sensing and sensors : Air pollution monitoring
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar

ToC Category:
Remote Sensing and Sensors

History
Original Manuscript: July 30, 2008
Revised Manuscript: December 11, 2008
Manuscript Accepted: December 15, 2008
Published: January 14, 2009

Citation
Janet L. Machol, Richard D. Marchbanks, Christoph J. Senff, Brandi J. McCarty, Wynn L. Eberhard, William A. Brewer, Ronald A. Richter, Raul J. Alvarez, II, Daniel C. Law, Ann M. Weickmann, and Scott P. Sandberg, "Scanning tropospheric ozone and aerosol lidar with double-gated photomultipliers," Appl. Opt. 48, 512-524 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-3-512

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