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Proceedings Paper

Pulsed 1.55μm all-fiber laser combining high energy, ultranarrow linewidth and optimal spatial beam quality
Author(s): Flavien Liégeois; Yves Hernandez; Damien Kinet; Domenico Giannone; Thierry Robin; Benoît Cadier
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Paper Abstract

In this letter, we report on the study of a new all-fiber laser source suitable for coherent Doppler LIDAR use in the eyesafe domain. The laser consists on a MOPA configuration where the Master Oscillator is a modulated ultranarrow (< 8 kHz) fiber laser. The optical amplifiers are also all-fibered and make use of a new Large Mode Area (LMA) index pedestal fiber that is very effective in limiting the non-linear effects without quality degradation of the laser beam. The amplified pulses have a maximum energy of 0.15 mJ for a duration of 340 ns at a repetition rate of 15 kHz. The average output power of the laser is 2.5 W, free of Stimulated Brillouin Scattering and with a measured M2 = 1.3.

Paper Details

Date Published: 18 November 2008
PDF: 6 pages
Proc. SPIE 7138, Photonics, Devices, and Systems IV, 713807 (18 November 2008); doi: 10.1117/12.817971
Show Author Affiliations
Flavien Liégeois, Faculté Polytechnique de Mons (Belgium)
Multitel A.S.B.L. (Belgium)
Yves Hernandez, Multitel A.S.B.L. (Belgium)
Damien Kinet, Multitel A.S.B.L. (Belgium)
Domenico Giannone, Multitel A.S.B.L. (Belgium)
Thierry Robin, iXFiber (France)
Benoît Cadier, iXFiber (France)


Published in SPIE Proceedings Vol. 7138:
Photonics, Devices, and Systems IV
Pavel Tománek; Dagmar Senderáková; Miroslav Hrabovský, Editor(s)

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