Mode evolution and nanofocusing of grating-coupled surface plasmon polaritons on metallic tip
We present a detailed analysis on mode evolution of grating-coupled surface plasmonic polaritons (SPPs) on a conical metal tip based on the guided-wave theory. The eigenvalue equations for SPPs modes are discussed, revealing that cylindrical metal waveguides only support TM01 and HEm1 surface modes....
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| Main Authors: | , , , , , , , |
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| Format: | article |
| Language: | EN |
| Published: |
Institue of Optics and Electronics, Chinese Academy of Sciences
2018
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| Subjects: | |
| Online Access: | https://doaj.org/article/7a1ae82027d34d8fb2fa144c0dba3b8b |
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