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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 4 — Feb. 15, 2011
  • pp: 439–441

Coherently combined fiber laser system delivering 120 μJ femtosecond pulses

Enrico Seise, Arno Klenke, Sven Breitkopf, Marco Plötner, Jens Limpert, and Andreas Tünnermann  »View Author Affiliations


Optics Letters, Vol. 36, Issue 4, pp. 439-441 (2011)
http://dx.doi.org/10.1364/OL.36.000439


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Abstract

We report on the coherent combination of two chirped pulsed fiber lasers. The beams coming from two 100 μm core diameter ytterbium-doped rod-type fibers were coupled in a Mach-Zehnder-type interferometer by means of a polarization beam splitter. Active stabilization of the interferometer was achieved by using a piezo-mounted mirror driven by a Hänsch-Couillaud polarization detection system. Pulses with 120 μJ energy and a compressed duration of 800 fs were obtained. This, compared with the 66 μJ coming from each single amplifier, results in a combining efficiency as high as 91%.

© 2011 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.7090) Lasers and laser optics : Ultrafast lasers
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 16, 2010
Revised Manuscript: December 21, 2010
Manuscript Accepted: January 7, 2011
Published: February 2, 2011

Citation
Enrico Seise, Arno Klenke, Sven Breitkopf, Marco Plötner, Jens Limpert, and Andreas Tünnermann, "Coherently combined fiber laser system delivering 120 μJ femtosecond pulses," Opt. Lett. 36, 439-441 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-4-439


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