Optical Near-fields and Scattering in Tapered Fiber Micro-probes

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  • テーパ状ファイバプローブにおける近接光波界特性
  • テーパジョウ ファイバプローブ ニ オケル キンセツ コウハカイ トクセイ

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Abstract

Near-field optical microscope is a new type of high-resolution microscope using evanescent fields. In nearfield optical microscope, power of the scattered light is measured as scattered evanescent light by the material using tapered micro-probes. The micro-probe is one of most important parts in the near-field optical microscopes. We have studied the light propagation through the optical fiber micro-probe. We have used Beam Propagation Method (BPM) to simulate the light propagation. A computer program is developed using BPM and we studied the fundamental characteristics of optical propagation through the fiber probe.

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