Beam Quality and Power Scalability of Various Multicore Fiber Lasers |
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| Authors: | ZHOU Pu WANG Xiao-Lin MA Yan-Xing MA Hao-Tong XU Xiao-Jun LIU Ze-Jin |
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| Affiliation: | College of Optic-electric Science and Engineering, National University of Defense Technology, Changsha, Hunan 410073 |
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| Abstract: | Beam quality and power scalability analyses for various multicore fiber lasers (MFL) are presented. In-phase complex amplitude and corresponding far-field intensity distribution of each type of MFL is calculated using the finite-difference time-domain method. It is revealed that the hexagonal ring-type MFL has the best performance in power handling and maintaining beam quality. Further calculation indicates that power encircled in the diffraction-bucket of L-core MFL scales with no more than 0.4L, which challenges the practical worthiness of fielding MFL with a large number of cores. |
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| Keywords: | 42 60 Da 42 30 Kq 42 60 Jf |
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