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Low-repetition-rate femtosecond operation in extended-cavity mode-locked Yb:CALGO laser

Abstract : We report on an extended-cavity mode-locked laser based on an Yb:CALGO crystal operating either at 27 MHz and 93 fs pulse duration or at 15 MHz and 170 fs duration single-pulse regime. To the best of our knowledge this is the first demonstration of an extended-cavity oscillator based on Yb-doped crystal produc- ing sub-100 fs pulses. The pulse energy was 24 nJ directly at the output of the oscillator (and 17 nJ after compression). Based on a similar design, we also demonstrate an unprecedented double-pulse dual- wavelength femtosecond regime. An explanation of this atypical regime is proposed.
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Submitted on : Friday, March 30, 2012 - 5:55:41 PM
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Dimitris N. Papadopoulos, Frédéric Druon, Justine Boudeile, Igor Martial, Marc Hanna, et al.. Low-repetition-rate femtosecond operation in extended-cavity mode-locked Yb:CALGO laser. Optics Letters, Optical Society of America - OSA Publishing, 2009, 34 (2), pp.196-198. ⟨hal-00533141⟩



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