Highly efficient 1 GHz repetition-frequency femtosecond Yb3+:KY(WO4)(2) laser

Thomas C. Schratwieser, Christopher G. Leburn, Derryck T. Reid

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Abstract

We present a highly efficient, diode-pumped, femtosecond Yb3+:KY(WO4)(2) (Yb:KYW) laser operating at a 1.024 GHz repetition rate. The output was centered at a wavelength of 1042 nm and had a bandwidth of 3.8 nm, leading to transform-limited pulses with durations of 278 fs determined by fringe-resolved autocorrelation measurements. The optical-to-optical conversion efficiency and slope efficiency were 61% and 69%, respectively, and the relative intensity noise was <0.1%. (C) 2012 Optical Society of America

Original languageEnglish
Pages (from-to)1133-1135
Number of pages3
JournalOptics Letters
Volume37
Issue number6
DOIs
Publication statusPublished - 15 Mar 2012

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