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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 25 — Dec. 7, 2009
  • pp: 22974–22982

Spectral beam combination of fiber amplified ns-pulses by means of interference filters

O. Schmidt, C. Wirth, D. Nodop, J. Limpert, T. Schreiber, T. Peschel, R. Eberhardt, and A. Tünnermann  »View Author Affiliations


Optics Express, Vol. 17, Issue 25, pp. 22974-22982 (2009)
http://dx.doi.org/10.1364/OE.17.022974


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Abstract

In this paper we introduce a simple scheme to spectrally combine four single beams using three low-cost dielectric interference filters as combining elements. 25 ns pulses from four independent and actively Q-switched fiber seed-sources are amplified in a single stage fiber-amplifier. Temporally and spatially combined 208 W of average power and 6.3 mJ of pulse energy are obtained at two different repetition frequencies. A detailed analysis of beam quality as well as the thermal behavior of the combining elements is carried out and reveals mutual dependency.

© 2009 OSA

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3298) Lasers and laser optics : Laser beam combining
(060.5295) Fiber optics and optical communications : Photonic crystal fibers
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 16, 2009
Revised Manuscript: October 14, 2009
Manuscript Accepted: November 2, 2009
Published: December 1, 2009

Citation
O. Schmidt, C. Wirth, D. Nodop, J. Limpert, T. Schreiber, T. Peschel, R. Eberhardt, and A. Tünnermann, "Spectral beam combination of fiber amplified ns-pulses by means of interference filters," Opt. Express 17, 22974-22982 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-25-22974


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References

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