| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Tip-Nanoparticle Near-Field Coupling in Scanning Near-Field Microscopy by Coupled Dipole Method |
| Yi Ruan1, Kan Li1, Qiang Lin1, Ting Zhang2** |
1Collaborative Innovation Center for Bio-Med Physics Information Technology, College of Science, Zhejiang University of Technology, Hangzhou 310023
2College of Information Science & Electronic Engineering, Zhejiang Provincial Key Laboratory of Information Processing, Communication and Networking (IPCN), Zhejiang University, Hangzhou 310000
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| Cite this article: |
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Yi Ruan, Kan Li, Qiang Lin et al 2018 Chin. Phys. Lett. 35 044203 |
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Abstract We use the couple dipole method to investigate the scanning near-field optical microscopy metallic tip-nanoparticle near-field interaction. Dependences of the local field intensity inside the nanoparticle on the nanosized tip shape, the tip open angle and the illumination angle are revealed. In combination with the previous results, we establish a complete model to understand the tip-nanoparticle near-field coupling mechanism.
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Received: 09 January 2018
Published: 13 March 2018
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| PACS: |
42.25.Fx
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(Diffraction and scattering)
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42.25.Bs
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(Wave propagation, transmission and absorption)
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11.80.La
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(Multiple scattering)
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42.82.Cr
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(Fabrication techniques; lithography, pattern transfer)
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| Fund: Supported by the Start-Up Grant of Zhejiang University of Technology, the Zhejiang Provincial Key Laboratory of Information Processing, Communication and Networking, the Zhejiang University, and the National Natural Science Foundation of China under Grant No 61605171. |
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