Particle-in-cell simulation of electron-excited surface plasmon polaritons

Liu Laqun; Zhang Ping; Wang Huihui

doi:10.11884/HPLPB201830.170399

Volume 30 Issue 4

Apr. 2018

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Liu Laqun, Zhang Ping, Wang Huihui. Particle-in-cell simulation of electron-excited surface plasmon polaritons[J]. High Power Laser and Particle Beams, 2018, 30: 043101. doi: 10.11884/HPLPB201830.170399

Citation:

Liu Laqun, Zhang Ping, Wang Huihui. Particle-in-cell simulation of electron-excited surface plasmon polaritons[J]. High Power Laser and Particle Beams, 2018, 30: 043101. doi: 10.11884/HPLPB201830.170399

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Particle-in-cell simulation of electron-excited surface plasmon polaritons

doi: 10.11884/HPLPB201830.170399

School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China

Received Date: 2017-10-12
Rev Recd Date: 2017-11-23
Publish Date: 2018-04-15

Abstract

Abstract

The resonance process of free electrons and external electric fields in noble metal (Ag) is described by using the polarization current difference equation. The difference equation is combined with the Maxwell equation. The finite-difference time-domain (FDTD) method is used. Based on the particle-in-cell (PIC) simulation software CHIPIC3D, the PIC simulation of the electron-excited surface plasmon polaritons (SPPs) is realized. Through simulating the SPPs excited by 100 keV electrons moving parallel to the surface of silver films, the field strength and mode of SPPs are observed and analyzed, and the simulation results are verified.
- noble metal,
- finite-difference time-domain method,
- particle-in-cell simulation,
- electron,
- surface plasmon polaritons

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References(11)

References

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