2) Collimating and beam expanding system
准直扩束系统
3) beam spread collimation optical system
扩束准直光学系统
1.
Influence of optical element misalignment of beam spread collimation optical system on Gaussian beam propagation and transformation;
扩束准直光学系统中光学元件失调对高斯光束传输变换的影响分析
5) beam alignment
光束准直
1.
New far-field detection technique for beam alignment system in high power laser facility;
高功率激光装置光束准直系统新型远场监测技术
6) collimated beam
准直光束
1.
A formula for the distribution of the collimated beam s spatial frequency is established and the spatial frequency distribution of the incident light is obtained.
建立了准直光束的理论计算公式,给出了采用数值方法精确计算准直光束的主要步骤和计算中应注意的问题,计算了空间频率分布。
2.
The methods for measuring lens focal length and spherical curvature radius at presentare summarized, and the principle of the collimated beam compensation method for measuring lens focal length and spherical curvature radius is introduced and it is indicated that the key of this metbod ischeck on the collimation of compensation beam.
概述目前透镜焦距及球面曲率半径的测量方法，介绍透镜焦距及球面曲率半径的准直光束补偿测量法的原理，指出该方法的关键是对补偿光束准直性的检测。
补充资料：准直
准直
影像学术语。利用准直器的定向作用，使只限于某一空间单元的放射线进入辐射探测器的功能。CT设备的准直可保证X线束平行地穿过欲查层面，是层面成像的基础。核医学检查中，则根据被测γ射线的能量不同，可以分别选择低能、中能和高能准直器，屏蔽不同能级的γ射线。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条