collimator中文什么意思

n.
【物理学】准直仪，准直管，平行光管。

• alignment collimator:    视准仪
• auto collimator:    自动视准仪
• beam collimator:    光束平行光管; 光束准直仪; 射束准 ...

例句与用法

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1. With a given collimator the integrated reflections in the parallel and antiparallel positions will be equal .
   对于一个给定的准直器，在平行和逆平行位置时积分反射是一样的。
2. The analysis of grin in optical fiber collimator
   自聚焦透镜在光纤准直器中的应用分析
3. Research on assembling technology of collimator based on dft
   的光纤准直器装配技术研究
4. Research and design of fiber collimator
   光纤准直器结构研究与设计
5. The appraisement of neutron soller collimator
   准直器的测试与评价

英文释义

名词

1. optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
2. a small telescope attached to a large telescope to use in setting the line of the larger one

百科释义

A collimator is a device that narrows a beam of particles or waves. To "narrow" can mean either to cause the directions of motion to become more aligned in a specific direction (i.