Journal
CHINESE OPTICS LETTERS
Volume 9, Issue 7, Pages -Publisher
OSA-OPTICAL SOC
DOI: 10.3788/COL201109.071406
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Funding
- National Science Foundation of China [60921004]
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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.
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