Firstly , we compared the domestic with the foreign products , analyzed the advantages and disadvantages of existing domestic products ; to reduce patients ray radiation , facilitate the operation and enhance the level of automation , at the same time , considering the goal of the sets , we made function goal of collimator subsystem 首先,在对比国内外产品的的基础上,对国内的现有产品的优缺点进行了分析,结合整机的设计目标,以减少对患者的辐射、便于医护人员操作和提高自动化水平为目标,确定了限束器子系统的功能目标。
The paper mainly focused on the beam transport part of asipp key laboratory of ion beam bioengineering and it ' s component elements , for example , van de graff accelerator , bending magnet , magnetic quadruple lenses , beam shutter , collimator and so on . the laboratory has performed the milestone achievement that is beam passed the hole of lo ^ m diameter in experiments . many experimental results are discussed by theories according to experiments 本文重点讨论了中科院离子束生物工程学重点实验室单粒子束装置的束流传输部分,对主要部件进行了详细的讨论,如:静电加速器、偏转磁铁、磁四极透镜、束线开关、瞄准器等,实验中已取得束流穿过10 m小孔的标志性成果,并运用相关理论结合具体实验分析了实验结果。
In order to measure the field of view matching of digital binoculars , the depth of optic axis parallelism and field of view matching are measured respectively . the collimator and pre - set lens are used to measure the depth of parallelism of optic axis . field of view meter is used to measure the field of view of binoculars and camera 为了检验数码望远镜的视场匹配度,提出了采用平行光管和双管前置镜的组合测量光轴平行度以及采用视场仪测量数码望远镜的望远镜和数码相机的视场大小的方式,并对数码望远镜的视场匹配度与望远镜和数码相机的视场大小关系进行了理论推导,导出了数码望远镜的视场匹配度测量的实际计算公式。
On the basis of that , systematical theoretical analysis was made on the collimation effects of the homogenous medium micro - sphere lens and the grin micro - sphere - lens , which has demonstrated the feasibility of producing better fiber collimator with grin micro - sphere lens . from that many valuable technical parameters were obtained . at the same time , we fabricated a few of fiber collimators using homogenous glass micro - sphere lenses and grin micro - sphere - lenses respectively , ( for short : s - lens collimator ) and we find the results of the experiment and theoretical computation are coherent 在此基础上,对用各种不同参数的均匀介质微球透镜和grin微球透镜制作光纤耦合准直器的性能进行了系统的理论分析,证明用grin微球透镜可以制备性能更为优越的光纤准直器,并获得一批具有参考价值的技术参数;同时,我们分别用玻璃均匀折射率微球透镜,以及我们自制的聚合物grin微球透镜制作了一批光纤准直器(可简称为s -透镜准直器) ,实验结果与理论计算的结果一致。
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
a small telescope attached to a large telescope to use in setting the line of the larger one
百科解释
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.