[1] SNITZER E, PO H, HAKIMI F, et al. Double-clad offset core Nd fiber laser[C]//Optical Fiber Sensors. Washington DC,USA: Optical Society of America, 1988:PD5.
[2] PO H, SNITZER E, TUMMINELLI R, et al. Double clad high brightness Nd fiber laser pumped by GaAIAs phased array[C]// Optical Fiber Communication Conference. Washington DC,USA: Optical Society of America, 1989:PD7.
[3] JEONG Y, SAHU J K, PAYNE D N, et al. Ytterbium-doped large-core fiber laser with 1.36kW continuous-wave output power [J]. Optics Express, 2004, 12(25):6088-6092.
[4] SABOURDY D, KERMENE V, DESFARGES-BERTHELEMOT A, et al. Power scaling of fibre lasers with all fibre interferometric cavity [J]. Electronics Letters, 2002, 38(14):692-693.
[5] ISHAAYA A, DAVIDSON N, SHIMSHI L, et al. Intracavity coherent addition of Gaussian beam distributions using a planar interferometric coupler[J]. Applied Physics Letters, 2004, 85(12):2187-2189.
[6] AUGST S J,FAN T Y, SANCHEZ A. Coherent beam combining and phase noise measurements of ytterbium fiber amplifiers[J]. Optics Letters, 2004, 29(5):474-476.
[7] LIU L P, ZHOU Y, KONG F T. Phase locking in a fiber laser array with varying path lengths[J]. Applied Physics Letters, 2004, 85(21):4837-4839.
[8] WANG C Z,LI L,SHANG W D, et al. Study on pulsed solid-state lasers with positive branch confocal unstable resonators[J]. Laser Technology, 2013, 37(4):441-444(in Chinese).
[9] SHI X G, DOU R H, JING SH, et al. Influence of system jitter on far field of coherently combined beam[J]. Laser Technology, 2009, 33(5):493-496(in Chinese).
[10] ZHOU B K, GAO Y Zh, CHEN T R, et al. Laser principle[M].Beijing: National Defense Industry Press, 2000:69-160(in Chinese).