Incoherent Doppler lidar using two wavelengths for wind measurement

Chikao Nagasawa; Yasukuni Shibata; Makoto Abo; Tomohiro Nagai; Osamu Uchino

doi:10.1117/12.417066

13 February 2001 Incoherent Doppler lidar using two wavelengths for wind measurement

Chikao Nagasawa, Yasukuni Shibata, Makoto Abo, Tomohiro Nagai, Osamu Uchino

Proceedings Volume 4153, Lidar Remote Sensing for Industry and Environment Monitoring; (2001) https://doi.org/10.1117/12.417066
Event: Second International Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 2000, Sendai, Japan

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.

Citation Download 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, (13 February 2001); https://doi.org/10.1117/12.417066

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