静电透镜

静电透镜腰&腰传输计算方法

A method to calculate waist-to-waist transfer for electrostatic lenses

静电透镜优化设计的研究

Study on Optimization Design of electrostatic lenses

此外我们还利用该方法对一个具体的静电透镜的例子进行了直到三阶的TOF像差分析和计算。

What is more , the TOF aberration coefficients up to the third-order for a real electrostatic lens are also calculated by using the method .

周期场静电透镜系统的弱透镜近似

Weak & Lens Approximation of the Electrostatic Lens Systems of Periodic Fields

聚焦离子束用静电透镜特性的计算

Computer simulat ion s of FIB electrostatic lens

本文论述了利用阻尼最小二乘法对给定的电子光学静电透镜模型进行优化设计。

The damped square method is used for optimizing the electrostatic lens in this paper .

本文所用方法与所得结果均适用于研究静电透镜。

Methods of study and the results thereby obtained are also applicable to an electrostatic lens system .

静电透镜的优化设计

Optimization of the Electrostatic Lens

电位比及几何尺寸对各类轴对称静电透镜性能影响的分析

Analysis of the Influence of Voltage Ratio and Geometry on the Performance of Different Axial-Symmetrical Electrostatic Lens

以双圆筒静电透镜为例，其计算结果与文献[6]比较，平均相对误差约为0.6%。

In comparison of the computational results of two-tube electrostatic lenses with those in Reference [ 6 ] the average relative error is about 0.6 % .

本文具体分析了膜孔透镜，浸没双圆筒透镜（包括等径和不等径），单透镜和浸没物镜这四类最主要的静电透镜。

This paper focuses on four main types of axial-symmetrical electrostatic lens : film aperture lens , double-cylinder immersion lens , convex lens and immersion object lens .

它是从锂霞石热发射体上引出离子，经静电透镜聚焦，在中和室与钠原子进行电荷交换，通过离子偏转最后获得中性束。

In the source , lithium ions are extracted from a heated emitter (β - Eucryptite ), focused by a electrostatic lens , and neutralized in a charge - exchange cell by sodium atoms .

用非傍轴轨迹直接计算静电电子透镜的三级象差系数

The Calculation of Third-Order Aberrations of Electrostatic Lenses by Non-Paraxial Electron Trajectories

静电单透镜在低能强流离子束输运中的应用

Application of einzel lens in low-energy high-current ion beam transport

微扰法在静电电子透镜容差计算中的适用性分析

The Tolerance of Perturbation Method for Calculating of Electrostatic Lenses

基于微扰理论的静电电子透镜的缺陷电场计算

The Calculation of Defect Fields of Electrostatic Lenses Based on the Perturbation Theory

微分代数方法在静电电子透镜任意高阶像差分析中的应用

Differential Algebraic Method for Arbitrary High Order Aberration Analysis of Electrostatic Electron Lens Systems

计算了几个静电电子透镜的例子，给出了不同电极缺陷的电位分布和微扰多极场分布。

The potential distribution and the perturbation multipole field of the different electrode defects in some electrostatic lenses were given .

文中还以一个轴上电位分布具有解析表达式的静电电子透镜为例，计算了它的一至三阶复合几何像差色像差系数，并给出了一阶色差分布图形。

Specific demonstration of this new technique was shown in the calculation of an electrostatic electron lens , whose axial potential density can be analytically described .

以旋转对称透镜和静电多极透镜作为应用例子，给出了计算机输出结果，以示软件包之实际应甲。

Taking electromagnetic round lens and electrostatic multipole lens as examples , the analytical expressions of the third order aberration coefficients yielded by computer are given to show the practical application of the software package .

基于微抗原理，推导了计算静电电子透镜由于电极偏心、倾斜和加工不圆造成的电场变化及其旁轴多极场展开函数的九点有限差分公式，编制了计算软件。

A set of programs have been developed to calculate the defect fields and the paraxial multipole field functions of the electrostatic lenses which have misalignment , tilt and ellipticity of electrodes , using the finite difference nine-point formula .

静电双圆筒透镜、单透镜的一种传输矩阵计算方法

A method for calculating two-cylinder lenses and three element einzel lenses with transfer matrices

正方边界的静电四极场透镜

An Exact Electrostatic Quadrupole Lens with Square Boundaries

研究了新型的复合静电磁浸没透镜的曲光轴高斯电子光学性质及像差特性。

Curvilinear axis Gaussian electron optical properties and aberration characteristics of the novel electrostatic immersion magnetic lenses are studied .

等半径静电双园筒电子透镜场分布的解析式

Analytical formula of static field distribution for same radius two-cylinder electron lens

复合静电-磁浸没透镜的宽束曲轴聚焦性质及像差理论

Curvilinear-axis Focusing and Aberration Theory of Wide Electron Beams for Combined Electrostatic-immersion Magnetic Lens Systems