astigmatometer

Spot Astigmatism of Large Screen Color Picture Tube;

大屏幕彩色显像管光点像散分析

Influence of astigmatism on the diffraction property of the axicon and its correction;

像散对轴棱锥衍射特性的影响与修正

In this detecting system, a 2-D light source array produced by a micro-optic component is used to form a parallel micro-astigmatism system.

研制了一种基于像散法的非扫描三维探测系统,该检测系统利用微光学器件产生的二维点光源阵列实现并行像散光路,实现了对测量表面的全场同步检测。

Astigmation Detection and Correction Technique for Micron Focused Ion Beam;

亚微米聚焦离子束的像散检测与校正技术

Theoretical Analysis on Focusing Characteristics of Laser Tweezer Under the Influence of Astigmation from Sample Vessel;

样品池像散影响光镊聚焦特性的理论分析

Static Astigmation Analysis of Asymmetrical BFR;

非对称束形成区的静态像散设计分析

the astigmatic mode and stigmatic mode)are displayed.

给出了变栅距四面光栅的光程函数和综合像差的普遍表达式，在此基础上针对我们采用的ＨＩＴＡＣＨＩ变栅距平焦场四面光栅的实际参数，详细研究了它的成像性质，同时还给出了使用该光栅的平焦场光栅谱仪工作在像散和消像散两种模式下的典型实验结果。

According to the general Huygens Fresnel diffraction integral formula, this thesis discusses the intensity distribution properity of the cosh-Gaussian beams passing through an astigmatic lens.

据广义Huygens -Fresnel衍射积分公式 ,推导了新型光束———双曲余弦高斯光束通过简单像散透镜后的光场分布特点 ,并通过数值计算 ,说明了像散系数对焦移、光强分布的影响。