[1] . Efficient coherent combining of widely tunable fiber lasers[J]. Optics Express, 2003, 11(2): 87-97.

[2] SHIRAKAWA A,TOMOKI Sekiguchi T S,UEDA K I.Coherent addition of fiber lasers by use of a fiber coupler[J].Optics Express,2002,10(21):1167-1172.

[3] . Coherent combining of Q-switched fibre lasers[J]. Electronics Letters, 2004, 40(20): 1254-1255.

[4] CHEN S P,Li Yi-gang,L(U) K C.Branch arm filtered coherent combining of tunable fiber lasers[J].Optics Express,2005,13(20):7878-7883.

[5] HOU J,XIAO R,JIANG Z F,et al.Coherent beam combination of two polarization maintaining ytterbium fibre amplifiers[J].Chinese Physics Letters,2005,22(9):2273-2275.

[6] XIE Chun-xia,L(U) Fu-yun,WANG Jian,et al.Study on large-mode-area Yb3+-doped double-clad fiber laser[J].Acta Photonica Sinica,2005,34(5):644-647.谢春霞,吕福云,王健,等.大模面积掺Yb3+双包层光纤激光器的实验研究[J].光子学报,2005,34(5):644-647.

[7] KONG Ling-feng,LOU Qi-hong,ZHOU Jun.Frequency response and transient gain of Yb-doped double clad fiber amplifier[J].Acta Photonica Sinica,2004,33(11):1286-1289.孔令峰,楼祺洪,周军,等.掺Yb双包层光纤放大器的瞬态增益和频率响应[J].光子学报,2004,33(11):1286-1289.

[8] ZHANG Shumin,L(U) Fu-yun,XIE Chun-xia,et al.Temporal and spectral character istic of a Yb-doped double-clad fiber laser[J].Acta Photonica Sinica,2005,34(2):187-190.张书敏,吕福云,谢春霞,等.掺Yb双包层光纤激光器的时域特性和光谱特性研究[J].光子学报,2005,34(2):187-190.

[9] AUGST S J,FAN T Y,SANCHEZ A.Coherent beam combining of ytterbium fiber laser amplifiers[C].CLEO,2002.

[10] STEVEN J A,FAN T Y,SANCHEZ A.Coherent beam combining and phase noise measurements of ytterbium fiber amplifiers[J].Optics Letters,2004,29(5):474-476.

[11] YE Jun,JOHN L H.Optical phase locking in the microradian domain:potential applications to NASA spaceborne optical measurements[J].Optics Letters,1999,24(24):.

[12] JEONG Y,NILSSON J,SAHU J K,et al.Single-frequency,single-mode,plane-polarized ytterbium-doped fiber master oscillator power amplifier source with 264 W of output power[J].Optics Letters,2005,30(5):459-461.

[13] . 131 W 220 fs fiber laser system[J]. Optics Letters, 2005, 30(20): 2754-2756.

[14] . Ytterbium-doped large-core fiber laser with 1.36 kW continuous-wave output power[J]. Optics Express, 2004, 12(25): 6088-6092.