基于最小束斑条件，提出一种光束质量的测试方法。
Based on minimum spot condition, a method for laser beam quality measurement is proposed.
介绍了一套基于切伦科夫辐射的用于强流短脉冲电子束束斑实时测量的装置。
An online beam spot diagnostic system for high current, short pulse electron beam based on Cerenkov radiation is introduced.
当网络体系建成后，在很短的时间内即可由已知的着屏电子束斑逆推出电子枪主透镜的结构。
According to the requirement of the spot on the screen, the structure of the main lens can be obtained through this network in a short time.
给出了能量、流强、扫描均匀性、扫描长度以及束斑形状等5个重要参数的测量方法及结果。
The methods and results for the 5 main parameters of energy, beam current, dose uniformity, beam scanning width, and beam profile were given.
本发明可以极大地缩短束流调节时间，提高束流传输率，减少溅射污染并且调整后的束斑形状较好。
The invention shortens adjusting time of beam to improve beam transmission rate, which reduces splashing pollution to provide better conditional beam alopecia.
分析了在激光模拟单粒子效应试验中激光波长、束斑大小、脉冲能量、脉冲宽度等脉冲激光参数对阈值能量的影响。
Effects of pulsed laser parameters such as laser wavelength, beam spot size, pulse energy and pulse duration on threshold energy in laser simulating Single Event Effect testing are analyzed.
根据速调管调制器主振脉冲频率、扫描宽度和电子束的束斑大小可以定出辐照床的最高运动速度以实现高效率的辐照。
The highest speed of the irradiation bed can be determined by the frequency of modulator, scanning width, and the size of electron beam spot...
在焊接时利用处理后的偏差值在圆形焊缝相应位置不断修正电子枪的位置，从而达到电子束束斑与焊缝自动对中的目的。
During the welding process, the computer will modify the position of the electron gun based on the deviation to make the electron beam spot centered on the annular weld groove.
前言：对用电子显微镜测量薄膜厚度的三种方法：双束衍射法、污斑法、污线法进行了实验及比较分析。
The experiments , comparison and analysis for the three thickness measurement methods :two-beam diffraction method , contamination spot method and contamination line method were carried out.
数值模拟结果表明，自适应扩束系统能够实现对“飞行光束”聚焦特性亦即焦点位置与焦斑大小的控制。
The simulation results indicate that the adaptive beam expander can be used to control the focusing length and spot size.
采用发送一束线偏振激光产生散斑的方法，研究线偏振激光散斑、＂平均椭圆偏振＂激光散斑以及非偏振激光散斑的相关性和精细结构。
An experimental study of the state of polarization of laser speckles generated by sending a linear polarized laser beam through a diffuser is presented in this paper.
同时通过近似计算给出了由于加速间隙电压波动引起束聚焦焦斑模糊范围增大的上限值。
The upper limit values of blurred area coverage of focal spot caused by the fluctuation of accelerating gap voltage are also calculated using a approximate method.
此外，准直了的快电子束在等离子体中的能量沉积也具有非常重要的实际意义，如快点火方案中点火热斑的形成等。
Furthermore, the energy deposition of collimated fast electrons in dense plasmas is also very important for some applications, such as in fast ignition.
此外，准直了的快电子束在等离子体中的能量沉积也具有非常重要的实际意义，如快点火方案中点火热斑的形成等。
Furthermore, the energy deposition of collimated fast electrons in dense plasmas is also very important for some applications, such as in fast ignition.
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