FDTD simulation of tapered structure of near-field fiber probe
FDTD simulation of tapered structure of near-field fiber probe
复制标题
近场光纤探头锥形结构的FDTD模拟
DOI：
10.1016/s0010-4655(01)00392-7
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发表时间：
2001
影响因子：
6.3
通讯作者：
K. Sawada
中科院分区：
文献类型：
--
作者：
Hiroaki Nakamura;T. Saiki;H. Kambe;K. Sawada
采用时域有限差分法模拟了光在带金属小孔的锥形近场光纤探针中的传输。通过对锥形金属包层波导和连接光纤波导的大体积模拟，说明了这些导模之间的耦合以及孔径附近的电场分布。再现了空间分辨率和收集效率对孔径的依赖关系。
The finite-difference time-domain method was employed to simulate light propagation in tapered near-field fiber probes with several small metal apertures. 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 dependence of the spatial resolution and the collection efficiency on the aperture diameter were reproduced.