کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1539726 | 996643 | 2010 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Transmitted interference effect of double metallic nanoslits composed of a slit and a square-funnel slit
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Transmitted interference effect of double metallic nanoslits composed of a slit and a square-funnel slit Transmitted interference effect of double metallic nanoslits composed of a slit and a square-funnel slit](/preview/png/1539726.png)
چکیده انگلیسی
The transmitted interference characteristics for double metallic nanoslits, which are composed of a slit and a square funnel, are investigated by the finite-difference time-domain method. Two types of interference patterns, i.e., the periodic single peak or the periodic double peaks profile, are observed by varying the geometric parameters of the square-funnel slit. The fringe period crucially depends on the exit layer thickness of the square-funnel slit. The near-field field intensity can be enhanced three times that in symmetric slit-doublet structure by selecting specific parameters. We also find that surface plasmon waves can creep along the interface between metal and dielectric, even though the interface possesses orthogonal corners.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics Communications - Volume 283, Issue 4, 15 February 2010, Pages 608–612
Journal: Optics Communications - Volume 283, Issue 4, 15 February 2010, Pages 608–612
نویسندگان
Ting-Ting Bian, Ben-Yuan Gu, Yan Zhang,