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Journals and Conferences
We propose a method to compensate gain narrowing by use of the self-phase modulation effect in a femtosecond fiber chirped-pulse amplifier (CPA). An engineering rule is derived to determine the… (More)
We report the generation of 63 fs pulses of 290 nJ energy and 4.1 MW peak power at 1050 nm based on the use of a polarization-maintaining ytterbium-doped fiber parabolic amplification system. We… (More)
We present a compact and energy-scalable crossed polarized wave generation setup with waveguide filtering. A 1.4 mJ, 14.5 fs FTL, 10−4 contrast ratio enhanced XPW pulse is produced with 11 mJ, 40 fs… (More)
The generation of high-average-power, high peak-power, ultra-short pulses has numerous applications in medicine, micromachining and fundamental science. Towards such a very challenging achievement,… (More)
Cross polarized wave generation (XPW) is a well established technique for contrast enhancement of ultrashort pulses in high energy laser systems . Efficient conversion with XPW only occurs at high… (More)
We report on long-cavity modelocked laser with Yb:CALGO crystal, with, first, a 27-MHz, sub 100-fs single-pulse regime and, second, a very atypical double-pulse dualwavelength femtosecond regime.
We demonstrate the operation of a 24 kW-peak-power, 16-picosecond diode-pumped Nd:YVO/sub 4/ passively-mode-locked laser oscillator with the lowest repetition rate (below 1 MHz) ever generated… (More)
In this paper, we present a diode-pumped multipass amplifier based on Yb:CaF2 using passive coherent combining in order to access the 100 mJ range without optical damage.
Since its first laser operation in 2004 , Yb:CaF2 has been one of the most studied and promising crystals in the realm of Yb-doped materials for DPSSL applications [2,3]. In fact, this crystal… (More)
Since the demonstration, in 2004, of the first diode-pumped laser operation of Yb-doped calcium fluoride (CaF2 aka fluorite or fluorospar), an intense interest of the laser community has been… (More)