the meaning of raytracing    光线追迹的意义

raytracing scheme    光线追踪的方案

raytracing formula    光线追踪的公式

general remarks    总论

paraxial y-u-method    傍轴y-u理论

paraxial s-h-method

meridional （子午线） S-U-Method    

meridional Q-U-method

set of vector formulas    矢量公式集

iterative calculation of the intersection point for aspherical surfaces    非球面曲面交点的迭代计算

raytracing in optical systems  

description of the geometry    几何描述

types of the surface    表面类型

particular properties    特殊性质

output quantities    输出质量

errors    错误

apodization    变迹法

polarization    raytracing    偏振光

special components    特殊成分

ideal lens    理想透镜

raytracing in GRIN media    光线在梯度折射率介质

raytracing for diffractive elements    射线衍射元件

knife-edge diffraction model in raytracing    在光线追踪刀口衍射模型

differential rays    绕射线

general remarks    总论

coddington equations    科丁顿方程

general differental rays    

ray tubes    射线管

non-sequential raytracing    

general remarks

monte-carlo raytracing

literature