Eyesafe coherent detection wind lidar based on a beam-combined pulsed laser source | Zendy

Laurent Lombard | Zendy; Matthieu Valla | Zendy; Christophe Planchat | Zendy; Didier Goular | Zendy; Béatrice Augère | Zendy; P. Bourdon | Zendy; Guillaume Canat | Zendy

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Eyesafe coherent detection wind lidar based on a beam-combined pulsed laser source

Author(s) -

Laurent Lombard,

Matthieu Valla,

Christophe Planchat,

Didier Goular,

Béatrice Augère,

P. Bourdon,

Guillaume Canat

Publication year - 2015

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.40.001030

Subject(s) - lidar , optics , amplifier , remote sensing , laser , wind speed , noise (video) , beam (structure) , optical amplifier , physics , environmental science , computer science , optoelectronics , geology , meteorology , cmos , artificial intelligence , image (mathematics)

We report on a coherent wind lidar built with two coherently-beam-combined fiber amplifiers. The lidar performances of the combined-amplifier and the single-amplifier are compared using two criterions: carrier-to-noise ratio and wind speed noise floor. In both cases, lidar performances are not degraded with a combined source and are close to the theoretical optimum. Combined sources are well suited to improve coherent wind lidar accuracy, range, and integration time.

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