About TSUKADA Kenji
About Keio Univ., Yokohama, JPN
About NIHEI Eisuke
About Keio Univ., Yokohama, JPN
About Applied Optics
About ray tracing
About optical waveguide
About refractive index distribution
About radial distribution function
About shape effect
About light propagation
About waveguide mode
About optical design
About lens (optics)
About optical diffraction
About optical refraction
About Optical waveguide,optical fibers,and fiber optics
About 動径
About 屈折率分布
About 導波路
About 光線追跡法