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Proceedings Article

Incoherent Doppler lidar using two wavelengths for wind measurement

[+] Author Affiliations
Chikao Nagasawa, Yasukuni Shibata, Makoto Abo

Tokyo Metropolitan Univ. (Japan)

Tomohiro Nagai

Meteorological Research Institute (Japan)

Osamu Uchino

Japan Meteorological Agency (Japan)

Proc. SPIE 4153, Lidar Remote Sensing for Industry and Environment Monitoring, 338 (February 13, 2001); doi:10.1117/12.417066
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From Conference Volume 4153

  • Lidar Remote Sensing for Industry and Environment Monitoring
  • Upendra N. Singh; Toshikasu Itabe; Nobuo Sugimoto
  • Sendai, Japan | October 09, 2000

abstract

A new incoherent Doppler lidar technique for atmospheric wind measurement is presented. This direct detection Doppler lidar is realized by the transmitting laser with two wavelengths and the receiving system with only one bandpass or absorption filter. We fabricated actually the Doppler lidar system using the frequency doubled Nd:YAG laser which was alternately tuned to the both slopes of one absorption line of the molecular iodine with an AO wavelength shifter, and performed simultaneous measurements of the eastward and northward wind components from 8 to 25km altitude with 500m vertical resolution. This Doppler lidar system is very useful to measure the wind profiles between lower troposphere and stratosphere by one effort.

© (2001) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Chikao Nagasawa ; Yasukuni Shibata ; Makoto Abo ; Tomohiro Nagai and Osamu Uchino
"Incoherent Doppler lidar using two wavelengths for wind measurement", Proc. SPIE 4153, Lidar Remote Sensing for Industry and Environment Monitoring, 338 (February 13, 2001); doi:10.1117/12.417066; http://dx.doi.org/10.1117/12.417066


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