On attractive force of evanescent electromagnetic field on dielectric slab

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作者：
Ibaraki Univ, Hitachi-shi, Japan [1 ]
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来源：
IEICE Trans Electron | / 10卷 / 1308-1311期
关键词：
Dielectric materials - Light propagation - Maxwell equations - Optical fibers - Optical waveguides - Tensors - Thin films;
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摘要：
The electromagnetic force of evanescent field acting on dielectric slab is studied with the use of Maxwell stress tensor. The results show that dielectric slab may receive always an attractive force when the incident wave is evanescent field while a pressure or an attractive force when the wave is propagating one. The magnitude of the attractive force by evanescent field is much larger than that of the propagating wave. And here some numerical examples are given.
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