Pulsed pumped Yb-doped fiber amplifier at low repetition rate
Chinese Optics Letters, Vol. 3, Issue 5, pp. 249-250 (2005)
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Abstract
A pulsed pumped Yb-doped double-clad fiber (DCF) master-oscillator power amplifier (MOPA) at low repetition rate is reported. Seeded by a passive Q-switched Nd:YAG microchip laser, the fiber amplifier can generate 167-kW peak-power and 0.83-ns duration pulses at 200-Hz repetition rate. Because of the pulsed pump approach, the amplified spontaneous emission (ASE) and the spurious lasing between pulses are well avoided, and the repetition rate can be set freely from single-shot to 1 kHz. Peak power scaling limitations that arise from the fiber facet damage are discussed.
© 2005 Chinese Optics Letters
OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3510) Lasers and laser optics : Lasers, fiber
Citation
Changgeng Ye, Ping Yan, Mali Gong, and Ming Lei, "Pulsed pumped Yb-doped fiber amplifier at low repetition rate," Chin. Opt. Lett. 3, 249-250 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-5-249
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