光学元件标识升级公告
模块化开放式光路
适用于课堂教学、实验
涵盖光学特性、光电探测
基于光的衍射和干涉原理
制作二维全息光栅
多重记录性
测量透镜焦距
测量调制传递函数（MTF）
测量调制度、线扩散函数
品名：涡旋光束干涉系统
用途：观察涡旋光束干涉现象
观察涡旋光与平面波干涉
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