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Proceedings Paper

High energy 1.5 µm 3-color pulsed fiber laser with high coherence length and precise wavelength control for LIDAR applications
Author(s): Joseph H. Zarrabi; Anand Hariharan; A. DeSantolo; J. W. Nicholson
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Paper Abstract

We developed a core pumped, 3-color pulsed fiber laser with 40W average output at 1550 nm with a pulse duration of 5 ns at pulse-repetition frequency (PRF) of 1 MHz corresponding to 8kW peak power. The enabling technology for this high power laser was 1480 nm core pumping of a polarization maintaining, very large mode area (PM-VLMA) Er-doped fiber amplifier with ~37 μm mode field diameter. Optical pulses from modulated seed sources were pre-amplified to 1W average power and injected into the PM-VLMA core pumped with a 100W, 1480 nm Raman fiber laser. The VLMA amplifier showed no sign of non-linearity due to Stimulated Brillion Scattering or Four-wave mixing.

Paper Details

Date Published: 22 February 2017
PDF: 8 pages
Proc. SPIE 10083, Fiber Lasers XIV: Technology and Systems, 100831K (22 February 2017); doi: 10.1117/12.2252564
Show Author Affiliations
Joseph H. Zarrabi, Trex Enterprises (United States)
Anand Hariharan, OFS Labs. (United States)
A. DeSantolo, OFS Labs. (United States)
J. W. Nicholson, OFS Labs. (United States)

Published in SPIE Proceedings Vol. 10083:
Fiber Lasers XIV: Technology and Systems
Craig A. Robin; Ingmar Hartl, Editor(s)

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