摘要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.
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.
(Beam characteristics: profile, intensity, and power; spatial pattern formation)
引用本文:
ZHOU Pu;WANG Xiao-Lin;MA Yan-Xing;MA Hao-Tong;XU Xiao-Jun;LIU Ze-Jin. Beam Quality and Power Scalability of Various Multicore Fiber Lasers[J]. 中国物理快报, 2009, 26(8): 84205-084205.
ZHOU Pu, WANG Xiao-Lin, MA Yan-Xing, MA Hao-Tong, XU Xiao-Jun, LIU Ze-Jin. Beam Quality and Power Scalability of Various Multicore Fiber Lasers. Chin. Phys. Lett., 2009, 26(8): 84205-084205.
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2009, Vol. 26 
