[1] Hashimoto M,Nemoto S,Makimoto T. Analysis of guided waves along the cladded optical fiber: Parabofic index core and homogeneous cladding. IEEE Trance Microwave Theory Tech,1977,MTT－25(1):11～17
[2] Yamada R,Inabe Y. Guided waves in an optical square law medium. J Optical Soc Am,1974,64(5): 964～968
[3] Wang Z H,Wu Z Y. Acta Photonica Sinica,1997,26(2): 115～120
[4] Liu Juihsiang,Liu Hungtsai. Gradient refractive-index optical rod preparaed from methacrylate derivatives.Optics Letters,1997,22(10): 668～670
[5] Wang Zihua,Shao Xiaodong. Analysis of graded-index optical fibers by regional mode expansion and coupled regional mode theory. Acta Photonica Sinica,1997,26(9): 818～823
[6] Chu J R,Wen X M,Xu C X,et al. Acta Photonica Sinica,2002,31(8):1012～1015
[7] Liu K,Yu R J. Acta Photonica Sinica,2002,31(7): 819～823
[8] Stevenson J L,Dyott R B. Optical fiber waveguide with a single-crystal core. Electron Letter,1974,10: 449～450
[9] Cozens J. Propagation in cylindrical fibers with anisotropic crystal cores. Electron Letter,1974,12: 413～415
[10] Zhang X P,Tan Z H. Analysis of transmission characteristics of doubly clad fibers with an inner cladding made of uniaxial crystal materials. Opt Commun,2002,204(6):127～136
[11] Zhang X P,Tan Z H. Chinese Journal of Quantum Electronics,2002,19(3): 245～249
[12] Liao Y B. Fiber Optics. Beijing: Qinghua Univ. Press,2000.35
