long focal lens是什么意思

用法例句

In the driver of the Inertial Confinement Fusion (ICF), the spatial frequency filter is the important module of system, with functions of filtering out high-frequency noise, enlarged beam and image relay, but high-accuracy measurement of focal length and wavefront of long focal lens which composed one is difficult on test of optical components in ICF.

本论文旨在对长焦距透镜面形检测方法进行新的探索,提出了基于Ronchi光栅泰伯效应的扫描测量法,可以大大提高检测效率,并给出定量的检测结果。

Design of the Binary Optical Element of Long Focal Depth and Small Spot;

利用二元光学技术实现小焦斑、长焦深的设计

Study of Long Focal Depth Optical Elements Applied in the Diagnosis for Inertial Confinement Fusion Plasmas;

用于ICF激光等离子体诊断的长焦深光学元件研究

The plates are used as the elements with long focal depth,whose two important parameters*#:the axial intensity distribution and the axial variation of the focused-central-spot size,are simulated and analyzed*#.

基于能量守恒原理 ,利用追迹法、计算机编码设计了用作长焦深元件的“孔雀眼”波带片。

The study of hybrid refractive-diffractive telephoto lens;

折衍混合在长焦物镜中的应用研究