HLS注入段束流位置探头定标电场的拟合和误差计算  

Electric field fit and error calculation of the calibration system of BPMs for HLS injection system

作　　者：王筠华[1] 刘建宏[1] 刘祖平[1] 王贵诚[1] 

机构地区：[1]中国科学技术大学国家同步辐射实验室,安徽合肥230029

出　　处：《强激光与粒子束》2001年第5期560-564,共5页High Power Laser and Particle Beams

基　　金：国家重点项目 NSRL 二期工程资助课题

摘　　要：描述了束流位置探测器 (BPM)探头定标、定标电场的拟合和误差计算。该定标系统采用了具有调节精度为 1 0 μm垂直放置真空管道的天线模拟定标装置和分辨率高达 1 μm外差式、窄带频域信号处理电子学线路。并推导出针对合肥光源 (HLS)定标系统条件下的电场拟合函数及相关的 BPMMapping图和误差计算结果 。This paper describes the calibration of the newly manufactured BPMs developed for injection system upgrade in NSRL phase II project, as well as the electrical field fitting and error calculation. The antenna calibration system employs an equipment whose precision adjusted to 10μm and with vertical vacuum pipelines, and a signal processor with 1μm of resolution and working in RF of NSRL ring. The fitting error of the electric field is presented. With the calibrating system and processing method which has a system error about ±15μm and the precision of 1μm, we have completed the calibration and quality checking of the developed equipment. Due to the vertically fixed beam pipe and the antenna's movement to simulate beam orbit deviation, as well as the adoption of the RF CW to simulate the beam instead of the traditional 5MHz CW source, the results show fine precision and better reliability.

关 键 词：束流位置探测器 BPM 天线模拟定标 BPM模块 误差计算 HLS 电场拟合 储存环 

分 类 号：TL594.03[核科学技术—核技术及应用] TL81