【摘要】 提出了用计算机设计的全息光学元件（HOE）实现多光束光盘驱动器数据信号检测和伺服信号检测的方法，讨论了能实现此功能的HOE的设计制作方法，并对它的衍射效率进行了优化。更多还原

【Abstract】 This paper presents a means of detecting the data signal and servo informationof multi-beam optical disk drive with the computerdesigned holographic optical element.The design and fabrication of the HOE fulfilling the above function are discussed, and amethod of optimizing the diffraction efficiency is described.更多还原