Abstract

The master laser of an injection-seeded laser for Doppler wind lidar is frequency stabilized to a Fabry-Perot (FP) cavity using Pound-Drever-Hall technique. The FP cavity is specially designed to gain high temperature stability with Zerodur cavity and spacer. A computer based controller is used to sample and process the error signal. After the master laser is locked, the relative frequency drift is +-25 kHz in 1 s, and +-5 kHz in 1 h, which can satisfy the need of Doppler wind lidar.

© 2008 Chinese Optics Letters

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