[1] [1] KNIGHT J C,BIRKS T A,et al.All-silica single-mode optical fiber with photonic crystal cladding[J].Opt Lett,1996,21(19):1547-1549.

[2] [2] JIA Jun-ming,CHEN Ming-yang,XIANG Yang,et al.Study of equivalent core radius of photonic crystal fibers[J].Acta Photonica Sinica,2004,34(1):103-106.

[3] [3] KNIGHT J C,BIRKE T A,et al.All-silica single-mode optical fiber with photonic crystal cladding[J].Opt Lett,1996,21(19):1547-1549.

[4] [4] WU Wei-qing,CHEN Xiong-wei,ZHOU Hui.Investigation of the ultra-flattencd dispersion in photonic crystal fibers with hybrid cores[J].Acta Photonica Sinica,2006,35 (1):111-115.

[5] [5] NIELSEN M D,MORTENSEN N A,et al.Predicting macrobending loss for large-mode area photonic crystal fibers[J].Opt Express,2004,12(8):1775-1779.

[6] [6] NIELSEN M D,NORTENSEN N A,et al.Mode-Field radius of photonic crystal fibers expressed by the V-parameter[J].Opt Lett,2003,28(23):2309-2311.

[7] [7] ZHANG Ya-ni,WANG Li-li,REN Li-yong,et al.Chemistry fabrication of polymer photonic crystal fibers with high polarization maintaining properties[J].Acta Photonica Sinica,2006,35(9):1349-1353.

[8] [8] LIU Jian-guo,KAI Gui-yun,XUE Li-fang.The leaky spectrum of bandgap photonic crystal fibers[J].Acta Photonica Sinica,2006,35(11):9-12.

[9] [9] STEEL M J,OSGOOD R M.Polarization and dispersive properties of elliptical-hole photonic crystal fibers[J].J of Lightwave Tech,2001,19(4):495-503.