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全向薄膜反射镜是一种多层薄膜 :这种薄膜对于某一特定的波长 ,其入射角反射率范围可从正入射变化到 90°入射。韩国汉城国立大学的研究人员利用复合半导体材料制作了这样一个反射镜。分子束外延制造工艺的优点在于有极高的重复性 ;另外 ,在激光和光电二极管的基底上同样可生产
Omnidirectional film mirrors are multilayer films that have a range of incident angle reflectivity that varies from normal incidence to 90 ° for a particular wavelength. Researchers at Seoul National University in South Korea made such a reflector using composite semiconductor materials. The advantage of molecular beam epitaxy manufacturing is the extremely high repeatability; in addition, the same can be produced on the substrate of lasers and photodiodes