Chinese Optics Letters, 2011, 9 (7): 071406, Published Online: May. 27, 2011
Stable, efficient diode-pumped femtosecond Yb:KGW laser through optimization of energy density on SESAM 
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固体激光器 掺Yb晶体 锁模激光器 超快激光器 140.3580 Lasers, solid-state 140.3615 Lasers, ytterbium 140.4050 Mode-locked lasers 140.7090 Ultrafast lasers
Abstract
An efficient high-power diode-pumped femtosecond Yb:KGW laser is repored. Through optimization of energy density by semiconductor saturable absorber mirror, output power achieved 2.4 W with pulse duration of 350 fs and repetition rate of 53 MHz at a pump power of 12.5 W, corresponding to an optical-to-optical efficiency of 19.2%. We believe that it is the highest optical-to-optical efficiency for single-diode-pumped bulk Yb:KGW femtosecond lasers to date.
Jinfeng Li, Xiaoyan Liang, Jinping He, Hua Lin. Stable, efficient diode-pumped femtosecond Yb:KGW laser through optimization of energy density on SESAM[J]. Chinese Optics Letters, 2011, 9(7): 071406.
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