High-brightness fiber laser-pumped 68 fs-2.3 W Kerr-lens mode-locked Yb:CaF2 oscillator.
Opt Lett
; 38(20): 4008-10, 2013 Oct 15.
Article
em En
| MEDLINE
| ID: mdl-24321907
ABSTRACT
By using a high-brightness fiber pump laser, we demonstrate a pure Kerr-lens mode-locked (ML) YbCaF(2) oscillator. The laser delivers 68 fs pulses with 2.3 W average power at 73 MHz repetition rate and an optical-to-optical efficiency of 33% is achieved. To the best of our knowledge, this is the first demonstration of Kerr-lens mode-locking in YbCaF(2). Incidentally, we report here the highest average power ever achieved for a sub-100-fs active Kerr-lens ML Yb-bulk oscillator.
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En
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Opt Lett
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2013
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Article