正方形亥姆霍兹线圈的磁场均匀性  

The magnetic field uniformity of square Helmholtz coils

作　　者：谭曦[1] 刘军[1] 殷建玲[1] 

机构地区：[1]军械工程学院光学与电子工程系,河北石家庄050003

出　　处：《光学仪器》2012年第1期39-44,共6页Optical Instruments

摘　　要：利用三个正方形亥姆霍兹线圈构建三维匀强磁场,并分析其匀强磁场区域特性。将正方形亥姆霍兹线圈视为四段载流导线,采取分段计算然后矢量叠加的方法,分析正方形亥姆霍兹线圈轴线上和空间磁场强度及其均匀性,及其仿真数据结果。最后得到正方形亥姆霍兹线圈三维匀强磁场的结构模型及相关数据分析,证明了三维亥姆霍兹线圈产生的磁场满足匀强磁场要求。Using three square Helmholtz coils to build three-dimensional uniform magnetic field,and the characteristics of uniform magnetic field region were analyzed.Here regarding square Helmholtz coils as four current-carrying conductor,three-dimensional space and axes magnetic intensity and uniformity of square Helmholtz coil were analyzed,and the result of simulating data were given.Lastly,the framework model and data analysis of three-dimensional uniform magnetic field of three square Helmholtz coils were presented,proving that the uniformity of magnetic filed of three-dimensional Helmholtz coils meet the demand.

关 键 词：光纤陀螺(FOG) 亥姆霍兹线圈 磁敏感性 磁场均匀性 

分 类 号：O441[理学—电磁学]