Numerical Calculation for Electrostatic Deceler-ating Lens Energy Analyzer

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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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Numerical Calculation for Electrostatic Deceler-ating Lens Energy Analyzer

  • Department of Physics, Tsinghua University, Beijing

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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