NOVEL DESIGN OF A SPHERICAL ELECTRON SPECTROMETER

被引:119
作者
JOST, K
机构
[1] Physikalisches Institut der Universitat Munster, D 4400 Munster
来源
JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS | 1979年 / 12卷 / 10期
关键词
D O I
10.1088/0022-3735/12/10/027
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The design procedure of a 'simulated' spherical electron spectrometer is described. This device has spherical equipotentials in the region of the beam trajectories, whereas its electrodes are non-spherical. The electron optical properties of the new device are very close to those of a spherical spectrometer. Its geometric width, however, is only about one-third that of a conventional hemispherical spectrometer. Because of its simple electrode structure, gridded or corrugated electrodes can be used easily to suppress background electrons. A prototype of the new instrument was employed as an electron monochromator. An energy spread of less than 25 meV was achieved.
引用
收藏
页码:1006 / 1012
页数:7
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