double-Dove scan prism立方扫描棱镜
And a multi-channel FORJ is designed using Dove prism. According to the image rotation theory of Dove prism, rotary coupling of multi-channel optical signals is realized using a gearing system with an angular speed ratio of 2:1.
在此基础上论文采用了一种使用道威棱镜的多通道光纤旋转连接器的设计方法。
参考来源 - 光纤旋转连接器的实验研究