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Coherent combining of a seven-element hexagonal fiber array |
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| Authors: | Xinyan Fan Jingjiao Liu Jinsheng Liu |
| Affiliation: | a National key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China b North China Institute of Electronic Equipment, Beijing 100083, China c Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China |
| Abstract: | The coherent combination of the outputs from a seven-element hexagonal fiber array with a hexagonal prism is described. The fill factor of the coherent array achieves 0.6. A total of 0.40 of the energy is contained in the central lobe and the Strehl ratio is 0.91. A theoretical model of the hexagonal fiber array is established based on Fraunhofer diffraction theory. The far field distribution of the hexagonal fiber array is presented. The effects of fill factor and phase errors on far field distribution are analyzed and simulated. |
| Keywords: | Coherent combining Fiber array Fill factor |
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