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| Content Provider | Springer Nature Link |
|---|---|
| Author | Liu, Yu Fu, Yongqi Zhou, Xiuli Xu, Zongwei Fang, Fengzhou Hu, Xiaotang |
| Copyright Year | 2011 |
| Abstract | Three types of indirect phase tuning-based plasmonic structures with subwavelength circular grooves/slits and/or central apertures corrugated on Au film supported by glass substrate: depth modulation, width modulation, and hybrid depth-width modulation, were put forth in this paper. They were investigated experimentally by means of nanofabrication and near-filed scanning optical microscope characterization. The plasmonic structures were fabricated using the technique of focused ion beam direct milling. Our experimental results demonstrated that all of the phase tuning-based structures have focusing functions. Both the width and depth modulation-based structures can realize beam focusing and produce an elongated depth of focus. Moreover, after comparison among these three structures, we found that the width modulation-based structure has the best focusing performance. |
| Starting Page | 227 |
| Ending Page | 233 |
| Page Count | 7 |
| File Format | |
| ISSN | 15571955 |
| Journal | Plasmonics |
| Volume Number | 6 |
| Issue Number | 2 |
| e-ISSN | 15571963 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2011-01-06 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Plasmonic structures NSOM FIB Indirect phase modulation Nanotechnology Biotechnology Biochemistry Biophysics and Biological Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Biochemistry Biophysics Biotechnology |
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