Design of a multi-channel spin polarimeter  

作　　者：石潭 季福昊 叶茂 万唯实 乔山 

机构地区：[1]Physics Department, Laboratory of Advanced Materials and Surface Physics Laboratory, Fudan University [2]State key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology,Chinese Academy of Sciences [3]Advanced Light Source, Lawrence Berkeley National Laboratory [4]School of Physical Science and Technology,Shanghai Tech University

出　　处：《Chinese Physics C》2015年第3期113-116,共4页中国物理C（英文版）

基　　金：Supported by National Natural Science Foundation of China(10979021,11027401,11174054,11304338,11227902);the Ministry of Science and Technology of China(2011CB921800);the"Strategic Priority Research Program(B)"of the Chinese Academy of Sciences(XDB04010100)

摘　　要：All commercial electron spin polarimeters work in single channel mode, which is the bottleneck of researches by spin-resolved photoelectron spectroscopy. By adopting the time inversion antisymmetry of the magnetic field, we developed a multichannel spin polarimeter based on normal incident very low energy electron diffraction （VLEED）. The key point to achieve the multi-channel measurements is the spatial resolution of the electron optics. The test of the electron optics shows that the designed spatial resolution can be achieved and an image type spin polarimeter with 100 times 100, totally ten thousand channels is possible to be realized.All commercial electron spin polarimeters work in single channel mode, which is the bottleneck of researches by spin-resolved photoelectron spectroscopy. By adopting the time inversion antisymmetry of the magnetic field, we developed a multichannel spin polarimeter based on normal incident very low energy electron diffraction （VLEED）. The key point to achieve the multi-channel measurements is the spatial resolution of the electron optics. The test of the electron optics shows that the designed spatial resolution can be achieved and an image type spin polarimeter with 100 times 100, totally ten thousand channels is possible to be realized.

关 键 词：multi-channel electron spin polarimeter spatial resolution 

分 类 号：O572.322[理学—粒子物理与原子核物理]