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Design and Optimization of Tapered Structure of Near-field Fiber Probe Based on FDTD Simulation
http://hdl.handle.net/10655/2512
http://hdl.handle.net/10655/2512af47f284-f1c5-400e-8de2-eb1985ad0157
名前 / ファイル | ライセンス | アクション |
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NIFS-663.pdf (240.2 kB)
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Item type | 研究報告書 / Research Paper(1) | |||||
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公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Design and Optimization of Tapered Structure of Near-field Fiber Probe Based on FDTD Simulation | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Finite-difference time-domain (FDTD) method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | near-field scanning optical microscopy | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | aperture probe | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | taper structure | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | collection efficiency. | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
著者 |
Nakamura, H.
× Nakamura, H.× Sato, T.× Kambe, H.× Sawada, K.× Saiki, T. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The finite-difference time-domain method was employed to simulate light propagation in tapered near-field fiber probes with small metal aperture. By conducting large-volume simulations, including tapered metal-cladding waveguide and connected optical fiber waveguide, we illustrated the coupling between these guiding modes as well as the electric field distribution in the vicinity of the aperture. The high collection efficiency of a double-tapered probe was reproduced and was ascribed to the shortening of the cut off region and the efficient coupling to the guiding mode of the optical fiber. The dependence of the efficiency on the tapered structure parameters was also examined. | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 2000-10-01 |
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報告書番号 | ||||||
NIFS-663 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |