用激光感应荧光法测量钇原子束中的原子速度分布  

Measurement of velocity distribution of atoms in an yttrium atomic beam by using laser induced fluorescence

作　　者：杜清[1] 朱利洲 李世芳 熊夏幸 周志尧 林福成 

机构地区：[1]中国科学院上海光机所,201800

出　　处：《中国激光》1990年第12期726-730,共5页Chinese Journal of Lasers

基　　金：国家自然科学基金资助项目

摘　　要：本文用激光感应荧光法测量了钇原子束的速度分布曲线。其最可几速度为820m/s,速度分布半宽度为510m/s。由等熵关系,估计此时钇原子源的温度为1587K。The velocity distribution of atoms in an yttrium atomic beam was measured by using laser induced fluorescence. Its most probable velocity was 820 m/s and the FWHM was 510m/s. The temperature of the yttrium atomic source was estimated to be 1587 K from the iso-entropie relation.

关 键 词：激光感应 荧光法 测量 钇 原子束 

分 类 号：O614.322[理学—无机化学]