Abstract
An all fiber pulsed coherent Doppler lidar (CDL) system at 1.54 ?m wavelength
is developed for wind profiles measurements. This lidar affords 43.0-?J pulse energy
at 10-kHz pulse repetition frequency with 500-ns pulse width. The lidar is operated
in monostatic mode with 50-mm diameter telescope. The heterodyne mixing signals are
acquired with 500 M/s analog to digital converter and 2048 points fast Fourier
transform (FFT) is implemented. Line of sight wind speeds are measured with more
than 3.0-km range in a horizontal direction and about 1.9 km in the vertical
direction with 75-m range resolution. Systematic error of speed measurement of 0.2
m/s is validated.
© 2014 Chinese Optics Letters
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