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Abstract:
We demonstrated a linearly-polarized picosecond thulium-doped all-fiber-integrated master-oscillator power-amplifier system, which yielded 240 W of average output power at 127 MHz repetition rate. The seed source is a passively mode-locked polarization-maintaining thulium-doped all-fiber oscillator with a nearly transform-limited pulse duration of 10 ps. In combination with a pre-chirp fiber having a positive group velocity dispersion and a three stage polarization-maintaining thulium-doped all-fiber amplifier, output pulse energies up to 1.89 mu J with 42 kW pulse peak power are obtained without the need of complex free-space stretcher or compressor setups. To the best of our knowledge, this is the highest average output power ever reported for a picosecond all-fiber-integrated laser at 2 mu m wavelength region. (C) 2016 Optical Society of America
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OPTICS EXPRESS
ISSN: 1094-4087
Year: 2016
Issue: 13
Volume: 24
Page: 15005-15011
3 . 8 0 0
JCR@2022
ESI Discipline: PHYSICS;
ESI HC Threshold:175
CAS Journal Grade:2
Cited Count:
WoS CC Cited Count: 26
SCOPUS Cited Count: 23
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0