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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 3 — Feb. 1, 2011
  • pp: 316–318

135 W average-power femtosecond pulses at 520 nm from a frequency-doubled fiber laser system

Jan Rothhardt, Tino Eidam, Steffen Hädrich, Florian Jansen, Fabian Stutzki, Thomas Gottschall, Thomas V. Andersen, Jens Limpert, and Andreas Tünnermann  »View Author Affiliations


Optics Letters, Vol. 36, Issue 3, pp. 316-318 (2011)
http://dx.doi.org/10.1364/OL.36.000316


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Abstract

We present a high-average-power femtosecond laser system at 520 nm central wavelength. The laser system delivers sub- 500 fs pulses with 135 W average power at a pulse repetition rate of 5.25 MHz . Excellent beam quality is provided by high power fiber amplifiers and maintained during frequency doubling, resulting in a beam quality factor of M 2 < 1.2 . To our knowledge, the system presented here is the highest average power green laser source generating femtosecond pulses with diffraction-limited beam quality.

© 2011 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(140.3515) Lasers and laser optics : Lasers, frequency doubled

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 14, 2010
Revised Manuscript: December 7, 2010
Manuscript Accepted: December 15, 2010
Published: January 21, 2011

Citation
Jan Rothhardt, Tino Eidam, Steffen Hädrich, Florian Jansen, Fabian Stutzki, Thomas Gottschall, Thomas V. Andersen, Jens Limpert, and Andreas Tünnermann, "135 W average-power femtosecond pulses at 520 nm from a frequency-doubled fiber laser system," Opt. Lett. 36, 316-318 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-3-316

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