摘要
基于标量衍射理论,根据实际光盘的参数,对数字多用途光盘(DVD光盘)的循轨行为进行了分析。在此基础上,针对盘片产生径向倾斜的情况引入了倾斜参数,对盘片模型进行了补充。对光盘的径向倾斜误差和系统循轨伺服的交叉影响进行了分析和讨论。
The pupil energy distribution is calculated with parameters of digital versatile disk and by using the scalar diffraction theory. In view of radial tilt, a radial tilt angle in pit model is added, and a simulation of pushpull tracking error is given when a radial tilt error occurs. Furthermore, the influence of radial tilt is analyzed by using pushpull tracking servo method.
出处
《光学技术》
CAS
CSCD
2003年第6期687-689,共3页
Optical Technique