Prism Refraction: PrismTower can guide other PrismTowers around to shoot one target even it is out of their range.
棱镜折射：光棱塔可以引导周围的其他光棱塔协同对同一目标开火，哪怕目标不在其他光棱塔的射程范围内。
2
A cylindrical prism light guide made of PMMA is introduced in this paper and its performance is analyzed.
本文介绍了一种采用有机玻璃制成的无缝棱镜导光管并分析了其光学性能。
3
Four effective methods on measuring refractive index of wave guide film are given. All of the methods are studied, especially, an experiment is done by the prism coupling method.