Compact high-energy Q-switched cladding-pumped fiber laser with a tuning range over 40 nm

We describe a compact Q-switched diode pumped double-clad ytterbium-doped fiber laser. The fiber laser was bidirectionally pumped by two laser diodes (2 W of output power each) via two side-injecting pump-couplers. We used a large multimode core of 15 μm diameter to increase the laser gain volume an...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 11; no. 8; pp. 976 - 978
Main Authors Renaud, C.C., Selvas-Aguilar, R.J., Nilsson, J., Turner, P.W., Grudinin, A.B.
Format Journal Article
LanguageEnglish
Published IEEE 01.08.1999
Subjects
Cladding
Diodes
Energy use
Fiber lasers
Gain
Gas lasers
Laser excitation
Laser theory
Laser tuning
Lasers
Optical fiber couplers
Optical fibers
Power lasers
Pump lasers
Repetition
Tuning
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Summary:We describe a compact Q-switched diode pumped double-clad ytterbium-doped fiber laser. The fiber laser was bidirectionally pumped by two laser diodes (2 W of output power each) via two side-injecting pump-couplers. We used a large multimode core of 15 μm diameter to increase the laser gain volume and thus to achieve higher pulse energy. Experimentally this laser produced pulses with energy up to 170 μJ with a peak power of 2 kW (at a low repetition rate of 500 Hz) and was tunable from 1060 to 1100 nm.
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ISSN:1041-1135
1941-0174
DOI:10.1109/68.775318