前言通常认为用光记录信息并使之再现的装置叫光存储器。在谈正题之前,先给出光存储器确切的定义。狭义的定义是指采用光学技术来记录和再生二进制信息的计算机存储器。广义的定义是:用光来记录并保存信息的元件及包括各种常用的照相或电影胶片的所有设备。 Preface It is generally accepted that a device that records information optically and reproduces it is called optical memory. Before we talk about the subject, we give the exact definition of optical memory. Narrow definition refers to the use of optical technology to record and regenerate binary information computer memory. Broadly defined as: the use of light to record and save information components and include all kinds of commonly used camera or film all the equipment.