Eyesafe Coherent Wind LIDAR Based On A Coherently-Beam-Combined Pulsed Laser Source

L. Lombard; M. Valla; C. Planchat; D. Goular; B. Augère; P. Bourdon; G. Canat

2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
(Optica Publishing Group, 2013),
paper CJ_8_1

Eyesafe Coherent Wind LIDAR Based On A Coherently-Beam-Combined Pulsed Laser Source

L. Lombard, M. Valla, C. Planchat, D. Goular, B. Augère, P. Bourdon, and G. Canat

The European Conference on Lasers and Electro-Optics 2013

Munich Germany
12–16 May 2013
ISBN: 978-1-4799-0594-2

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Fibre Laser Sources (CJ_8)

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L. Lombard, M. Valla, C. Planchat, D. Goular, B. Augère, P. Bourdon, and G. Canat, "Eyesafe Coherent Wind LIDAR Based On A Coherently-Beam-Combined Pulsed Laser Source," in 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference, (Optica Publishing Group, 2013), paper CJ_8_1.

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Abstract

Coherent wind LIDARs are increasingly used for climatic condition and turbulence assessment with applications in wind farm projects optimization or aircraft security during take-off and landing. Laser pulses are sent through the atmosphere and wind speed is measured using Doppler-induced frequency shift on the backscattered laser light. Laser sources with excellent spatial beam quality, narrow linewidth and typical pulse duration ranging from ~100 ns to 1 μs are required. Pulsed master oscillator power fiber amplifier (MOPFA) at 1.5 μm are well adapted, versatile sources but with peak power limited to a few 100s W by nonlinear effects in standard fibers.

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