[1] LOU Q H,ZHOU J,KONG L F,et al.Recent progress of high power pulsed double clading fiber lasers[J].Chinese Journal of Quantum Electronics,2005,22(4):510-515(in Chinese).
[2] DUAN Y F,HUANG B C,ZHANG P,et al.Experimental study of the all-fiber pulse fiber amplifier[J].Chinese Journal of Lasers,2007,34(10):1379-1382(in Chinese).
[3] WRIGHT M W,VALLEY G C.Yb-doped fiber amplifier for deep-space optical communications[J].Journal of Lightwave Technology,2005,23(3):1369-1374.
[4] PHILIPPOV V,CODEMARD C,JEONG Y.High-energy in-fiber pulse amplification for coherent lidar applications[J].Opt Lett,2004,29(22):2590-2592.
[5] CHENG M Y,CHANG Y C,GALVANAUSKAS A,et al.High-energy and high-peak-power nanosecond pulse generation with beam quality control in 200mm core highly multimode Yb-doped fiber amplifiers[J].Opt Lett,2005,30(4):358-360.
[6] TEODORO F D,BROOKS C D.Fiber sources reach multimegawatt peak power in ns pulses[J].Laser Focus World,2006,42(11):94-98.
[7] YE C G,YAN P,GONG M L,et al.Pulsed pumped Yb-doped fiber amplifier at low repetition rate[J].Chinese Optics Letters,2005,3(5):249-250.
[8] DU S T,ZHOU J,ZHANG F P,et al.20W average power,high repetition rate,nanosecond pulse with diffraction limit from an all-fiber MOPA system[J].Microwave and Optical Technology Letters,2008,50(10):2546-2549.
[9] ZHAN Y,ZHENG Y,ZHAO Y H,et al.The gain and noise characteristics of double cladding ytterbium-doped fiber amplifiers at different pump modes[J].Laser Technology,2007,31(1):50-53(in Chinese).