ZEMAX software is used for opticalray tracking of the system to get images after cylindrical lens.
利用ZEMAX光学软件对系统进行光线追迹获得光束经过柱面镜后的聚焦情况。
2
Dr Hess envisages a ray of light travelling down an optical fibre made from two materials: a core with a negative refractive index and an outer sheath with a positive one.