Experimental investigation of a seven-element hexagonal fiber coherent array

被引:15
作者
Fan, Xinyan [1 ]
Liu, Jingjiao [1 ]
Liu, Jinsheng [1 ]
Wu, Jingli [2 ]
机构
[1] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150001, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Changchun 130033, Peoples R China
关键词
LASERS; POWER;
D O I
10.3788/COL20100801.0048
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The phase noises of a 10-m polarization-maintaining (PM) fiber and a 10-W PM fiber amplifier are experimentally measured. The results indicate that the 10-m PM fiber with similar phase noise could be used to investigate the architecture of master oscillator power amplifier coherent combination. A seven-element hexagonal fiber coherent array is developed to investigate the far-field distribution and phase controlling technique of a coherently combining fiber laser array. A hexagonal prism is designed as the combining and splitting component to achieve a fill factor of 0.66. The hill climbing method is employed to detect and lock the element phase.
引用
收藏
页码:48 / 51
页数:4
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