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 Ramirez-Corral, Ian J Thomson, Denis R Hall, Howard John Baker, Derryck Telford Reid

Research output: Contribution to journalArticle

Abstract

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. (C) 2012 Optical Society of America

Original languageEnglish
Pages (from-to)17367-17373
Number of pages7
JournalOptics Express
Volume20
Issue number16
Early online date16 Jul 2012
DOIs
Publication statusPublished - 30 Jul 2012

Keywords

  • Mode-locked lasers
  • Laser amplifiers

Cite this

Leburn, Christopher G ; Ramirez-Corral, Cristtel Y ; Thomson, Ian J ; Hall, Denis R ; Baker, Howard John ; Reid, Derryck Telford. / Femtosecond pulses at 50-W average power from an Yb:YAG planar waveguide amplifier seeded by an Yb:KYW oscillator. In: Optics Express. 2012 ; Vol. 20, No. 16. pp. 17367-17373.
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abstract = "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. (C) 2012 Optical Society of America",
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Femtosecond pulses at 50-W average power from an Yb:YAG planar waveguide amplifier seeded by an Yb:KYW oscillator. / Leburn, Christopher G; Ramirez-Corral, Cristtel Y; Thomson, Ian J; Hall, Denis R; Baker, Howard John; Reid, Derryck Telford.

In: Optics Express, Vol. 20, No. 16, 30.07.2012, p. 17367-17373.

Research output: Contribution to journalArticle

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