20 October 2014 A multi-wavelength LIDAR system based on an erbium-doped fiber MOPA-system
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A multi-wavelength fiber based MOPA-system is proposed to increase performance of coherent Doppler lidar systems. The setup of the four-wavelength lidar system is described and characterized. We show that the speckle patterns of each wavelength are uncorrelated. The measured Goodman’s M-parameter is 3.8 for four wavelengths, using hard target reflections. Atmospheric measurements show uncorrelated speckle patterns as well. Consequently, the precision of the measured wind velocity can be improved by a factor of two.
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Albert Töws, Albert Töws, Alfred Kurtz, Alfred Kurtz, "A multi-wavelength LIDAR system based on an erbium-doped fiber MOPA-system", Proc. SPIE 9246, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing X, 92460T (20 October 2014); doi: 10.1117/12.2067224; https://doi.org/10.1117/12.2067224

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