A new collimating method for semiconductor laser array using binary optical elements is described in the paper and a binary beam collimator is designed and manufactured.

阐述了二元光学元件用于半导体激光器列阵准直的新方法，并设计制作了二元光学准直器。

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This paper designs an optical system and some lenses for the BD OPU, including collimator lens, beam shaping lens for laser beam shaping, and cylinder lens for signal detecting.

本文设计了一套蓝光光学读取头的光路系统，包括用于光束处理的准直镜，整形棱镜，还有用于信号探测的柱面镜。

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Firstly, a telescope system is made up with a concave lens and a long-focus convex lens, by which the angle of the parallel beam from the collimator can be change.

该方法借助一个焦距较长的凸透镜与被测凹透镜组成无焦系统，可以使准直管出射光束的张角发生改变；

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