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Beaming light from a subwavelength metal slit surrounded by dielectric surface gratings.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Chang, Calvin K. W. Chen, Y. C. Yang, David L. Lin, Michael W. Yeh, Jen Taut Liu, Jian Ming Kuan, Cecilia Hau-Yee Lee, Calvin K. |
| Copyright Year | 2006 |
| Abstract | In this article, we demonstrate that a subwavelength metal slit surrounded by dielectric surface gratings possesses a directional beaming effect. We propose a surface plasmon diffraction scheme to explain the three kinds of beaming conditions. The numerical simulations of the illustrative structures undertaken used a Finite Difference Time Domain (FDTD) Method and a Rigorous Coupled Wave Analysis (RCWA) Method. Our simulations were found to be consistent and in agreement with the experimental results. In comparison with other metal structures, we find that dielectric metal structures offer better performance as well as the advantage of being able to be efficiently mass produced for large volume industrial applications. |
| File Format | PDF HTM / HTML |
| DOI | 10.1364/OE.14.003503 |
| PubMed reference number | 19516497 |
| Journal | Medline |
| Volume Number | 14 |
| Issue Number | 8 |
| Alternate Webpage(s) | http://ntur.lib.ntu.edu.tw//bitstream/246246/120161/1/51.pdf |
| Alternate Webpage(s) | https://doi.org/10.1364/OE.14.003503 |
| Journal | Optics express |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
