Some kinds of incoherent Doppler lidars using edge filters have been proposed for the wind velocity measurement. Korb et al. (1992) proposed the single edge technique to measure the wind velocity by the intensity change of the light transmitted through the sharp-slope of the etalon. Friedman et al. (1997) proposed the single edge technique that used an iodine vapor cell instead of the etalon. Recently, the double edge technique was proposed by Korb et al. (1998), who used two edges with opposite slopes symmetrically located about the laser frequency and improved the accuracy compared with the single edge technique. In this paper, we propose a new incoherent Doppler lidar using two transmission slopes of one iodine absorption line and the injection seeded Nd:YAG laser which changes the frequency alternately. We produced actually this new lidar and obtained the preliminary result ofthe wind measurement experiment.
A new incoherent Doppler lidar using an iodine vapor edge filter
1999-01-01
122834 byte
Conference paper
Electronic Resource
English
Coherent Doppler lidar edge technique
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