Compton散射对时变非磁化等离子体光子晶体禁带的影响

核聚变与等离子体物理 ›› 2012, Vol. 32 ›› Issue (1): 27-31.

Compton散射对时变非磁化等离子体光子晶体禁带的影响

郝晓飞1，孔银昌2，郝东山1

(1. 黄淮学院信息工程系，河南驻马店 463000；2. 黄淮学院科研处，驻马店 463000)

收稿日期:2011-01-25 修回日期:2011-05-21 出版日期:2012-03-15 发布日期:2012-03-14
作者简介:郝晓飞(1973-)，男，河南西平人，实验师，主要从事激光物理与光纤通信基础理论研究。
基金资助:
河南省基础与前沿技术研究基金资助项目(092300410227)

Influences on the band gap of time-varying un-magnetized plasma photonic crystals produced by Compton scattering

HAO Xiao-fei1, KONG Yin-chang2, HAO Dong-shan1

(1. Department of Information Engineering, Huanghuai University, Zhumadian 463000; 2. Department of Science Study, Huanghuai University, Zhumadian 463000)

Received:2011-01-25 Revised:2011-05-21 Online:2012-03-15 Published:2012-03-14

摘要/Abstract

摘要：

应用多光子非线性Compton散射模型和时域有限差分法，对Compton散射对时变非磁化等离子体光子晶体禁带的影响进行了研究，提出了将多光子非线性Compton散射电磁波和入射电磁波作为等离子体光子晶体产生光子禁带的新机制，给出了电磁场的Maxwell方程组和叠代方程的修正方程，并进行了数值模拟。结果表明，Compton散射使等离子体禁带宽随等离子体上升时间的增大比散射前有明显减小而最后趋于定值，均匀等离子体透射率峰值比线性等离子体增大得更多，利用Compton散射可实现对光子禁带的控制。

关键词: 时域有限差分法, 非磁化等离子体光子晶体, 禁带, 多光子非线性Compton散射

Abstract:

Using the model of multi-photon nonlinear Compton scattering and finite-difference time-domain (FDTD)analysis, the influences on the band gap of time-varying un-magnetized plasma photonic crystals induced by Compton scattering have been studied, and a new mechanism of the photonic band gap induced by the multi-photon nonlinear Compton scattering optical and incident electromagnetism wave has been advanced, and the amending equations of Maxwell equation group on electromagnetic field and the iteration equation have been given out and simulated. The results show that the widths of the plasma band gap are clearly decreased along with the increase of the plasma climb time than before the scattered by the multi-photon nonlinear Compton scattering optical, and these widths will finally be constants. The increases of the transmission crests of the homogeneous distribution plasma are bigger than the increases of the transmission crests of the linear distribution plasma, and the control to the photonic band gap can be reached through using Compton scattering.

Key words: FDTD, Un-magnetized plasma photonic crystals, Band gap, Multi-photon nonlinear Compton scattering

中图分类号:

V414.1

郝晓飞1，孔银昌2，郝东山1. Compton散射对时变非磁化等离子体光子晶体禁带的影响[J]. 核聚变与等离子体物理, 2012, 32(1): 27-31.

HAO Xiao-fei, KONG Yin-chang, HAO Dong-shan. Influences on the band gap of time-varying un-magnetized plasma photonic crystals produced by Compton scattering[J]. NUCLEAR FUSION AND PLASMA PHYSICS, 2012, 32(1): 27-31.

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