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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 36, Iss. 16 — Aug. 15, 2011
  • pp: 3030–3032

Er-doped photonic crystal fiber amplifier with 70 W of output power

Vincent Kuhn, Dietmar Kracht, Jörg Neumann, and Peter Weßels  »View Author Affiliations


Optics Letters, Vol. 36, Issue 16, pp. 3030-3032 (2011)
http://dx.doi.org/10.1364/OL.36.003030


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Abstract

We report for the first time, to the best of our knowledge, on a large mode area Er-doped photonic crystal fiber laser system. The fiber core had a diameter of 40 μm and NA of < 0.04 leading to a mode field diameter of about 31 μm around 1550 nm wavelength. More than 70 W of single-frequency output power at 1556 nm could be extracted using a master-oscillator power-amplifier scheme. Near diffraction limited output beam quality has been verified by measuring the TEM 00 content with a nonconfocal scanning ring cavity.

© 2011 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2410) Fiber optics and optical communications : Fibers, erbium
(140.3280) Lasers and laser optics : Laser amplifiers
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: June 6, 2011
Revised Manuscript: July 8, 2011
Manuscript Accepted: July 9, 2011
Published: August 5, 2011

Citation
Vincent Kuhn, Dietmar Kracht, Jörg Neumann, and Peter Weßels, "Er-doped photonic crystal fiber amplifier with 70 W of output power," Opt. Lett. 36, 3030-3032 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-16-3030

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