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Proceedings Paper

High-energy subpicosecond 2-um fiber laser
Author(s): Jitka Černohorská; Michael Písařík; Pavel Peterka; Jan Aubrecht; Reza Amani; Ondřej Novák; Martin Smrž; Michal Jelínek; Antonio Lucianetti; Akira Endo; Tomáš Mocek
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Paper Abstract

Hi-tech industrial or biotechnological laser applications request for picosecond pulsed 2-μm laser generating sub-1-J pulses in >kHz repetition range. At HiLASE center the development of the laser system with target to generate 1-J picosecond pulses with 1-kHz repetition rate has started. In this paper, we present a concept of the laser system and demonstrate recent results from the first part of the laser – the holmium fiber oscillator. The holmium fiber front-end is pumped by a continuous wave <1-W thulium fiber laser generating at wavelength of 1950-nm. Mode-locking operation in the oscillator is reached by dispersion management in the laser cavity. In this self-starting configuration we reached 45-mW of average power with repetition rate of 22.5-MHz with pulse energy of 2-nJ.

Paper Details

Date Published: 17 May 2018
PDF: 6 pages
Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 1068315 (17 May 2018); doi: 10.1117/12.2307478
Show Author Affiliations
Jitka Černohorská, HiLASE Ctr. (Czech Republic)
Michael Písařík, HiLASE Ctr. (Czech Republic)
Pavel Peterka, Institute of Photonics and Electronics of the CAS, v.v.i. (Czech Republic)
Jan Aubrecht, Institute of Photonics and Electronics of the CAS, v.v.i. (Czech Republic)
Reza Amani, HiLASE Ctr. (Czech Republic)
Ondřej Novák, HiLASE Ctr. (Czech Republic)
Martin Smrž, HiLASE Ctr. (Czech Republic)
Michal Jelínek, Czech Technical Univ. in Prague (Czech Republic)
Antonio Lucianetti, HiLASE Ctr. (Czech Republic)
Akira Endo, HiLASE Ctr. (Czech Republic)
Tomáš Mocek, HiLASE Ctr. (Czech Republic)

Published in SPIE Proceedings Vol. 10683:
Fiber Lasers and Glass Photonics: Materials through Applications
Stefano Taccheo; Jacob I. Mackenzie; Maurizio Ferrari, Editor(s)

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