light beam splitter

例句：

1. 1. The light beam splitteris used to split the light into twoseparate paths.
   光栅分束器用于将光线分成两条独立的路径。
2. 2. The engineerused a light beam splitter to testthe new material.
   工程师使用了一个光栅分束器来测试新材料。
3. 3. The lightbeam splitter was designed to improve theefficiency of the optical system.
   光栅分束器的设计目的是为了提高光学系统的工作效率。