Superluminal propagation of optical pulses inside diffractive structures

被引：15
|
作者：
Schreier, F [1 ]
Schmitz, M [1 ]
Bryngdahl, O [1 ]
机构：
[1] Univ Essen Gesamthsch, Dept Phys, D-45117 Essen, Germany
来源：
OPTICS COMMUNICATIONS | 1999年 / 163卷 / 1-3期
关键词：
D O I：
10.1016/S0030-4018(99)00110-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Inside diffractive structures, the intensity maximum of optical pulses can travel with a velocity exceeding the vacuum speed of light. This effect is due to the occurrence of evanescent waves, and is accompanied by strong attenuation. It is emphasized that, due to the attenuation, causality is not violated. (C) 1999 Elsevier Science B.V. All rights reserved.
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页码：1 / 4
页数：4
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