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[12] [12] WANG Wei, YANG Bo. Dispersion and birefringence analysis of photo crystal fiber with rhombus aircore structure［J］. Acta Physics Sinica, 2012, 61(6): 064601.

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[15] [15] Foundation item: The National Natural Science Foundation of China (No.61275067) and the National Project of Hatching and Nurturing in Nanjing University of Posts and Telecomnications (No.NY213150)

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