Prof. Yasushi Oshikane
Assistant Professor at Osaka Univ
SPIE Involvement:
Area of Expertise:
optical nearfield microscopy , surface plasmon polaritons , FIB , finite element method , spectroscopy , atmospheric plasma
Profile Summary

FEM simulation of SPPs in nanostructures based on metal-insulator-metal (MIM) heterostructure. The numerical calculations weill be applied to design of a novel optical probe for scanning near-field optical microscope (SNOM). The FEM simulation has been done with both two-dimensionally- and three-dimensionally-designed models. The MIM structure may act as band-pass filter for SPP excitation, and twin hole in thick metallic layer of the structure could waveguide the SPP from internal insulator layer to the surface of metallic layer. SPPs come out from the holes may join and create single bright point light source for SNOMs. Experimental study of the prototypical probe is also conducted by using optical fiber optics, vacuum evaporation system, scanning electron microscope, and focused ion beam milling.
Publications (12)

Proceedings Article | 3 September 2019 Presentation + Paper
Proc. SPIE. 11089, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVI
KEYWORDS: Gold, Plasmonics, Image processing, Noble gases, Copper, Silver, Nd:YAG lasers, Aluminum, Aluminum nitride, Pulsed laser deposition

Proceedings Article | 7 September 2018 Presentation + Paper
Proc. SPIE. 10731, Nanostructured Thin Films XI
KEYWORDS: Thin films, Plasmonics, Surface plasmons, Glasses, Crystals, Nd:YAG lasers, Reflectivity, Aluminum nitride, Pulsed laser operation, Tin

Proceedings Article | 30 August 2017 Paper
Proc. SPIE. 10356, Nanostructured Thin Films X
KEYWORDS: Plasmonics, Titanium, Surface plasmon polaritons, Spectroscopy, Nitrogen, Nd:YAG lasers, Aluminum nitride, Pulsed laser deposition, Spiral phase plates, Tin

Proceedings Article | 26 September 2016 Presentation + Paper
Proc. SPIE. 9929, Nanostructured Thin Films IX
KEYWORDS: Thin films, Plasmonics, Titanium, Glasses, Crystals, X-rays, X-ray diffraction, Scanning electron microscopy, Pulsed laser deposition, Tin

Proceedings Article | 2 September 2015 Paper
Proc. SPIE. 9547, Plasmonics: Metallic Nanostructures and Their Optical Properties XIII
KEYWORDS: Optical fibers, Thin films, Glasses, Silver, Reflectivity, 3D modeling, Modal analysis, Finite element methods, Light wave propagation, Tin

Showing 5 of 12 publications
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