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王乔
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副教授   博士生导师   硕士生导师

性别: 女

毕业院校: 大连理工大学

学位: 博士

所在单位: 物理学院

学科: 光学

办公地点: 物理学院331室

联系方式: wangqiao@dlut.edu.cn

电子邮箱: wangqiao@dlut.edu.cn

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Control of plasmonic wave propagating in nanocavity with tooth-shaped configuration

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论文类型: 期刊论文

发表时间: 2011-01-01

发表刊物: CHINESE PHYSICS B

收录刊物: SCIE、EI、ISTIC、Scopus

卷号: 20

期号: 1

ISSN号: 1674-1056

关键字: plasmonic wave; optical devices; FDTD

摘要: Characteristics of plasmonic wave propagating in nanocavity formed by two silver films are studied numerically. The groove etched inside wall of the top film makes it possible to control the propagation when light goes through the top film along a nanoslit into the cavity. It is found that the transmission wave through the channel of groove etched side can be filtered linearly with the groove of a certain depth; while the other side is still open for this wave and its intensity can be enhanced periodically with the variable groove position in both films, which are explained well based on the interference of plasmonic waves in the system.

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