vt.照准；描准；使平行
In this OPU, we use a triplet lens to collimate the laser beam. 在该系统中，我们采用三片式准直镜来对光束进行准直。
Heteroaxial Double Half-cylindrical Lens Collimate Beam of Laser Diode[J]. 引用该论文 马华
An incandescent bulb and fiber were used to collimate light into this speedometer indicator. 白炽灯泡和光纤利用使光平行打入到里程计指标。
Today's LEDs have reflector cups and focusing optics to focus and collimate their output. 今天的LED让反射杯和焦点的光学来焦点和校准他们的输出。
In order to design optical system to collimate laser beam, its far-field distribution should be acquired exactly. 为了合理地设计光学系统以整形激光二极管出射光束, 必须准确了解激光二极管的远场分布,然而对于大功率激光二极管仍没有形式简单并且较好反映实际器件特性的光束模型。
