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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 22 — Aug. 1, 2012
  • pp: 5401–5411

Narrowband sodium lidar for the measurements of mesopause region temperature and wind

Tao Li, Xin Fang, Wei Liu, Sheng-Yang Gu, and Xiankang Dou  »View Author Affiliations


Applied Optics, Vol. 51, Issue 22, pp. 5401-5411 (2012)
http://dx.doi.org/10.1364/AO.51.005401


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Abstract

We report here a narrowband high-spectral resolution sodium temperature/wind lidar recently developed at the University of Science and Technology of China (USTC) in Hefei, China (31.5 °N, 117 °E). Patterned after the Colorado State University (CSU) narrowband sodium lidar with a dye laser-based transmitter, the USTC sodium temperature/wind lidar was deployed with a number of technical improvements that facilitate automation and ease of operation; these include a home constructed pulsed dye amplifier (PDA), a beam-steering system, a star-tracking program, and an electronic timing control. With the averaged power of 1.2W output from PDA and the receiving telescope diameter of 0.76 m, our lidar system has a power aperture product of 0.55Wm2 and is comparable to the CSU and the University of Illinois at Urbana-Champaign (UIUC) sodium lidar systems. The uncertainties of typical measurements induced by photon noise and laser locking fluctuation for the temperature and wind with a 2 km vertical and 15 min temporal resolutions under the nighttime clear sky condition are estimated to be 1.0K and 1.5m/s, respectively, at the sodium peak (e.g., 91 km), and 8 K and 10m/s, respectively, at both sodium layer edges (e.g., 81 km and 105 km). The USTC narrowband sodium lidar has been operated regularly during the night since November 2011. Using the initial data collected, we demonstrate the reliability and suitability of these high resolution and precision datasets for studying the wave perturbations in the mesopause region.

© 2012 Optical Society of America

OCIS Codes
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(010.3640) Atmospheric and oceanic optics : Lidar
(280.3640) Remote sensing and sensors : Lidar
(290.1310) Scattering : Atmospheric scattering
(010.0280) Atmospheric and oceanic optics : Remote sensing and sensors

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: February 6, 2012
Revised Manuscript: June 3, 2012
Manuscript Accepted: June 4, 2012
Published: July 25, 2012

Citation
Tao Li, Xin Fang, Wei Liu, Sheng-Yang Gu, and Xiankang Dou, "Narrowband sodium lidar for the measurements of mesopause region temperature and wind," Appl. Opt. 51, 5401-5411 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-22-5401

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