Experimental investigation of a seven-element hexagonal fiber coherent array
Chinese Optics Letters, Vol. 8, Issue 1, pp. 48-51 (2010)
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Abstract
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.
© 2010 Chinese Optics Letters
OCIS Codes
(140.3290) Lasers and laser optics : Laser arrays
(140.3298) Lasers and laser optics : Laser beam combining
Citation
Xinyan Fan, Jingjiao Liu, Jinsheng Liu, and Jingli Wu, "Experimental investigation of a seven-element hexagonal fiber coherent array," Chin. Opt. Lett. 8, 48-51 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-1-48
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