Numerical Calculation for Electrostatic Deceler-ating Lens Energy Analyzer

Hu Yumin; Li Yi

Chinese Physics C> 1989, Vol. 13> Issue(S3) : 239-244

Numerical Calculation for Electrostatic Deceler-ating Lens Energy Analyzer

Hu Yumin ,
Li Yi

Department of Physics, Tsinghua University, Beijing

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Abstract：
The potential distribution in an electrostatic decelerating lens is calculated using the surface charge-density method, and then the Gill method is used to simulate the electron orbits. The resolution of the analyzer is calculated as 1.0 eV at 20 keV. The influence of the beam diameter, the injection angle and the hole diameter of the third electrode on the resolution is discussed. Some comments on the experimental data are given based on the simulation.
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Hu Yumin and Li Yi. Numerical Calculation for Electrostatic Deceler-ating Lens Energy Analyzer[J]. Chinese Physics C, 1989, 13(S3): 239-244.

Hu Yumin and Li Yi. Numerical Calculation for Electrostatic Deceler-ating Lens Energy Analyzer[J]. Chinese Physics C, 1989, 13(S3): 239-244. shu

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Received: 1988-10-08

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沈阳化工大学材料科学与工程学院沈阳 110142

Numerical Calculation for Electrostatic Deceler-ating Lens Energy Analyzer

Hu Yumin
Li Yi

Department of Physics, Tsinghua University, Beijing

Received Date: 1988-10-08

Abstract: The potential distribution in an electrostatic decelerating lens is calculated using the surface charge-density method, and then the Gill method is used to simulate the electron orbits. The resolution of the analyzer is calculated as 1.0 eV at 20 keV. The influence of the beam diameter, the injection angle and the hole diameter of the third electrode on the resolution is discussed. Some comments on the experimental data are given based on the simulation.