Generation of 25-ns pulses with a peak power of over 10 kW from a gain-switched, 2- mu m Tm-doped fibre laser and amplifier system

We report on an all-fibre, gain-switched, Tm super(3+)-doped silica fibre laser and amplifier system generating a train of pulses at a wavelength of 1994.4 nm. When operating at a pulse repetition frequency [functionof] = 100 kHz, it delivered the maximum average power as high as 9.03 W with a slope...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2014-01, Vol.44 (4), p.294-297
Main Authors: Swiderski, J, Michalska, M, Pichola, W, Mamajek, M
Format: Article
Language:English
Subjects:
Amplifiers
Fibre
Lasers
Pulse repetition frequency
Quantum electronics
Silicon dioxide
Slopes
Wavelengths
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Summary:We report on an all-fibre, gain-switched, Tm super(3+)-doped silica fibre laser and amplifier system generating a train of pulses at a wavelength of 1994.4 nm. When operating at a pulse repetition frequency [functionof] = 100 kHz, it delivered the maximum average power as high as 9.03 W with a slope efficiency of 36.4%. At [functionof] = 26 kHz, stable 25-ns pulses with an energy of 0.28 mJ corresponding to a peak power of 10.5 kW were obtained. The performance of the laser system is described.
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2014v044n04ABEH015210