The two dimensional finite difference method software-Superfish and the three dimensional finite integration method software-MAFIA were used to simulate the structure of the sub-harmonic buncher. 分别使用二维有限差分法分析软件Superfish和三维有限积分法分析软件MAFIA对优化后的聚束腔结构进行了计算,得到了比较一致的结果。
The wholly new computerized buncher control system is an real time buncher system. It changes vertical phase space of the ion stream and enhances the intensity of the ion stream. 全新聚束器计算机控制系用于实时控制聚束器系统,从而达到改变离子束流纵向相位空间,提高束流流强的目的。
Structure optimization of 142. 8 MHz sub-harmonic buncher 142.8MHz次谐波聚束腔的结构优化设计
Study of Buncher Efficiency in Axial Injection System of SFC ECR-SFC轴向注入系统聚束器效率的研究
To calculate the accelerator dynamics process to contain the buncher ( pulse beam current) system is a new characteristic of LEADS program. 对含有聚束(脉冲束流)系统的加速器粒子动力学进行模拟是LEADS程序的新特色。
The principle of RFQ ( Radiofrequency Quadrupole) cooler and buncher is briefly introduced. The characteristics of the being designed RFQ cooler and buncher and the preliminary results simulated by using the SIMION code are discussed. 简要介绍了RFQ冷却聚束器的基本原理,并对设计中的RFQ冷却聚束器的特点和利用SIMION程序进行模拟的初步结果进行了讨论。
The principle of RFQ ( Radiofrequency Quadrupole) cooler and buncher is briefly introduced and the simulation of the buffer gas effect is discussed in detail. 本文简要概述了RFQ冷却聚束器的基本原理,并对缓冲气体效应的模拟进行了详细的论述。
The BEPC ⅱ future pre-injector consists of a thermionic gun followed by two subharmonic bunchers ( SHB), a travelling wave prebuncher and a travelling wave buncher. BEPCⅡ未来的预注入器由热阴极电子枪、两个次谐波聚束器(SHB)、行波预聚束器以及行波聚束器组成。
The first buncher operated in 1983, and the beam bunching efficiency is about 60%. 1983年启用了第一个聚束器,聚束效率稳定在60%左右。
The electrons can be accelerated by a travelling wave in the accelerating tube about 220 cm long, with a buncher whose capture efficiency is more than 80%. 以行波方式加速电子,聚束器俘获效率大于80%;加速管全长约220cm;
A two-gap drift tube buncher and a one-gap grid buncher with linear bunching waveform are used on the SFC axial injection line. SFC轴向注入线采用了一个双间隙漂移管式聚束器和一个单间隙栅网型聚束器,分别采用三角波和锯齿波的聚束波形。
Concept design of a double drift beam buncher 双漂移谐波聚束器的物理设计
On the base of sine wave klystron theory, this paper specifies the method to realize of bunch klystron, and presents some relevant equations, this method was used in designing the buncher for NS-200 accelerator. 以正弦波速调管聚束理论为基础,详尽阐述了速调管聚束的具体实现方法,给出了相应的计算公式。实际应用该法,为NS-200加速器设计了聚束装置。
RFQ Cooler and Buncher for Radioactive Ion Beam 用于放射性束流的RFQ冷却聚束器
Extraction System for RFQ Cooler and Buncher RFQ冷却聚束器的离子引出系统
By trimming the quadrupole currents around their calculated values, a 63.6% beam transmission of the tank was obtained with a single buncher. 当腔内透镜电流运行在计算值或其附过值时,束流在腔里的传输效率可高达63.6%(只用一个聚束器时),达到了较高水平。
The accelerating tube consists of 3-cell buncher and 4-cell accelerating section with a total length of about 163 mm, excited with 1 MW magnetron. 加速管由3个聚束腔和4个加速腔组成,长约163mm,馈入微波功率源1MW。
Nonstandard bunching mode of single-drift buncher 单漂移聚束器的非标准聚束模式
The parameters and electrical tolerance analysis for the single buncher systems 单聚束器系统的参数和电公差分析