Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Tuning the focusing spot of plasmonic nanolens by aspect ratio under linear polarization | |
Cao S. Y.; Yu W. X.; Wang C.; Fu Y. Q. | |
2014 | |
发表期刊 | 中文 Optics Letters |
ISSN | ISBN/1671-7694 |
卷号 | 12期号:1页码:4 |
摘要 | A new plasmonic nanolens that can be tuned by varying the circular structure into an elliptical annulus and the aspect ratio from 1 to 0.1 and 1 to 2, respectively, is proposed. Using the rigorous finite-difference and time-domain algorithm, we find that when the aspect ratio ranges from 1 to 0.1, a good linear relationship exists between the aspect ratio and focusing spot size at the full-width at half-maximum in the x- and y-directions, respectively. The corresponding calculated FWHM ranges from 96 x 126 (nm) to 15 x 52 (nm) (Full Width at Half Maximum). |
收录类别 | SCI ; EI |
语种 | 英语 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/44488 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Cao S. Y.,Yu W. X.,Wang C.,et al. Tuning the focusing spot of plasmonic nanolens by aspect ratio under linear polarization[J]. 中文 Optics Letters,2014,12(1):4. |
APA | Cao S. Y.,Yu W. X.,Wang C.,&Fu Y. Q..(2014).Tuning the focusing spot of plasmonic nanolens by aspect ratio under linear polarization.中文 Optics Letters,12(1),4. |
MLA | Cao S. Y.,et al."Tuning the focusing spot of plasmonic nanolens by aspect ratio under linear polarization".中文 Optics Letters 12.1(2014):4. |
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