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Proceedings Paper

Gain-switching pulse generation of a thulium-doped fiber laser pumped at 1550nm
Author(s): Jacek Swiderski; Maria Maciejewska; Wieslaw Pichola; Jacek Kwiatkowski; Marcin Mamajek
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Paper Abstract

Pulsed thulium-doped silica fiber laser operating at a wavelength of 1994.8 nm was developed. The laser was fast gain-switched by 1.55-μm radiation generated from a fiber amplifier system seeded by a directly modulated distributed feedback semiconductor laser. The Tm-doped fiber laser delivered stable nanosecond pulses at a repetition rate ranging from 50 kHz to 300 kHz. The maximum average output power as high as 1.08 W with a slope efficiency of 49% for the repetition rate of 100 kHz was reported. The shortest stable pulses recorded had a width of (20-25) ns and the energy of <15 μJ. The laser system was developed in all-fiber architecture, thus providing robustness, compactness, high insensitivity to atmospheric conditions (dust, vibrations, humidity).

Paper Details

Date Published: 22 January 2013
PDF: 6 pages
Proc. SPIE 8702, Laser Technology 2012: Progress in Lasers, 87020L (22 January 2013); doi: 10.1117/12.2011696
Show Author Affiliations
Jacek Swiderski, Military Univ. of Technology (Poland)
Maria Maciejewska, Military Univ. of Technology (Poland)
Wieslaw Pichola, Military Univ. of Technology (Poland)
Jacek Kwiatkowski, Military Univ. of Technology (Poland)
Marcin Mamajek, Military Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 8702:
Laser Technology 2012: Progress in Lasers
Wieslaw L Wolinski; Zdzislaw Jankiewicz; Ryszard S. Romaniuk, Editor(s)

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