Abstract

Using two CO₂ lasers with one frequency-locked to the other, we have developed a simple heterodyne cw Doppler backscatter anemometer for remote sensing. The configuration as tested in a lidar application requires no additional optics or detector over a homodyne setup. Spectra of the vertical wind show an example of the results available from a simple heterodyne Doppler lidar with a threshold of 0.25 m sec⁻¹ and an uncertainty of ±10% in the velocity estimate.

© 1981 Optical Society of America

Vertical wind velocity measurements by a Doppler lidar and comparisons with a Doppler sodar

F. Congeduti, G. Fiocco, A. Adriani, and C. Guarrella
Appl. Opt. 20(12) 2048-2054 (1981)

Tristatic high resolution Doppler lidar to study winds and turbulence in the troposphere

V. J. Abreu, T. L. Killeen, and P. B. Hays
Appl. Opt. 20(13) 2196-2202 (1981)

Single-particle laser Doppler anemometry at 1.55 µm

Michael Harris, Guy N. Pearson, Kevin D. Ridley, Christer J. Karlsson, Fredrik Å. A. Olsson, and Dietmar Letalick
Appl. Opt. 40(6) 969-973 (2001)

Wind measurement accuracy of the NOAA pulsed infrared Doppler lidar

Freeman F. Hall, R. Milton Huffaker, R. Michael Hardesty, M. E. Jackson, T. Rhidian Lawrence, Madison J. Post, R. A. Richter, and B. F. Weber
Appl. Opt. 23(15) 2503-2506 (1984)

Dual-frequency Doppler-lidar method of wind measurement

Wynn L. Eberhard and Richard M. Schotland
Appl. Opt. 19(17) 2967-2976 (1980)