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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 3 — Feb. 1, 2009
  • pp: 226–228

187 W , 3.7 mJ from spectrally combined pulsed 2 ns fiber amplifiers

O. Schmidt, T. V. Andersen, J. Limpert, and A. Tünnermann  »View Author Affiliations


Optics Letters, Vol. 34, Issue 3, pp. 226-228 (2009)
http://dx.doi.org/10.1364/OL.34.000226


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Abstract

We report on a spectral combination of four 2 ns pulsed fiber amplifier systems to a total output power of 187 W at a 50 kHz repetition rate resulting in > 3.7 mJ of pulse energy and 1.7 MW of pulse peak power. A dielectric reflection grating is used to merge the four individual beams to one output with close to diffraction-limited beam quality independent of the power level. The output characteristics are beyond the capabilities of a single emitter and further scaling in a straightforward way appears to be feasible.

© 2009 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3298) Lasers and laser optics : Laser beam combining
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 17, 2008
Revised Manuscript: November 24, 2008
Manuscript Accepted: November 28, 2008
Published: January 21, 2009

Citation
O. Schmidt, T. V. Andersen, J. Limpert, and A. Tünnermann, "187 W, 3.7 mJ from spectrally combined pulsed 2 ns fiber amplifiers," Opt. Lett. 34, 226-228 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-3-226

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