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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 16 — Jul. 30, 2012
  • pp: 17367–17373

Femtosecond pulses at 50-W average power from an Yb:YAG planar waveguide amplifier seeded by an Yb:KYW oscillator

Christopher G. Leburn, Cristtel Y. Ramírez-Corral, Ian J. Thomson, Denis R. Hall, Howard J. Baker, and Derryck T. Reid  »View Author Affiliations

Optics Express, Vol. 20, Issue 16, pp. 17367-17373 (2012)

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We report the demonstration of a high-power single-side-pumped Yb:YAG planar waveguide amplifier seeded by an Yb:KYW femtosecond laser. Five passes through the amplifier yielded 700-fs pulses with average powers of 50 W at 1030 nm. A numerical simulation of the amplifier implied values for the laser transition saturation intensity, the small-signal intensity gain coefficient and the gain bandwidth of 10.0 kW cm−2, 1.6 cm−1, and 3.7 nm respectively, and identified gain-narrowing as the dominant pulse-shaping mechanism.

© 2012 OSA

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: May 24, 2012
Revised Manuscript: June 30, 2012
Manuscript Accepted: July 3, 2012
Published: July 16, 2012

Christopher G. Leburn, Cristtel Y. Ramírez-Corral, Ian J. Thomson, Denis R. Hall, Howard J. Baker, and Derryck T. Reid, "Femtosecond pulses at 50-W average power from an Yb:YAG planar waveguide amplifier seeded by an Yb:KYW oscillator," Opt. Express 20, 17367-17373 (2012)

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