Controlling electric field distribution by graded spherical core-shell metamaterials
Publication in refereed journal

香港中文大學研究人員

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摘要This paper investigates analytically the electric field distribution of graded spherical core-shell metamaterials, whose permittivity is given by the graded Drude model. Under the illumination of a uniform incident optical field, the obtained results show that the electrical field distribution in the shell region is controllable and the electric field peak's position inside the spherical shell can be confined in a desired position by varying the frequency of the optical field as well as the parameters of the graded dielectric profiles. It has also offered an intuitive explanation for controlling the local electric field by graded metamaterials.
著者Wei EB, Sun L, Yu KW
期刊名稱Chinese Physics B
出版年份2010
月份10
日期1
卷號19
期次10
出版社IOP Publishing
國際標準期刊號1674-1056
電子國際標準期刊號1741-4199
語言英式英語
關鍵詞graded metamaterial; optical electric field; plasmon resonance
Web of Science 學科類別Physics; Physics, Multidisciplinary; PHYSICS, MULTIDISCIPLINARY

上次更新時間 2021-25-02 於 23:58