1. Ultra low-loss pure silica core single-mode fiber and transmission experiment;Yokota,1986
2. Cylindrical dielectric waveguide modes;Snitzer;J. Opt. Soc. Amer.,1961
3. Optical Fibers;Okoshi,1982
4. Handbook of Mathematical Functions;Abramowitz,1965
5. Theory of Bessel Functions;Watson,1962