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Photonic-crystal slab modes excitation using charged particles

机译:使用带电粒子的光子晶体平板模式激发

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摘要

Electromagnetic modes of photonic-crystal slabs can be excited by charged particles which remain outside the slab. The theory assumes a classical trajectory for the particle and computes the dielectric response of the slab photonic structure to the Coulomb fields emitted by the moving charge. The power applied by this response force on the charged particle describes the energy transfer between the charge and the electromagnetic modes of the slab. It is shown that the photonic crystal film responds according to an effective dielectric function which is easily calculated using a transfer matrix scheme.
机译:光子晶体板的电磁模式可以通过在板外部的带电粒子激发。该理论假设粒子的经典轨迹,并计算板坯光子结构的介电响应到由移动电荷发射的库仑场。在带电粒子上施加的电力施加的电力描述了板坯的电荷和电磁模式之间的能量传递。结果表明,光子晶体膜根据使用传递矩阵方案容易地计算的有效介电函数来响应。

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