2013 Fiscal Year Final Research Report
Interferometric sensing with tomographic image produced by surface plasmon
| Project/Area Number |
24656254
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Measurement engineering
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| Research Institution | Niigata University |
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Principal Investigator |
SASAKI OSAMI 新潟大学, 自然科学系, 教授 (90018911)
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| Co-Investigator(Kenkyū-buntansha) |
OHDAIRA Yasuo 新潟大学, 自然科学系, 准教授 (10361891)
CHOI Samuel 新潟大学, 自然科学系, 助教 (60568418)
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Keywords | プラズモン / 近接場 / 金属膜 / 光干渉 / 微細加工 / アゾベンゼン |
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| Research Abstract |
Surface plasmon can be activated when propagating light is incident on a metal nanostructure body. The surface plasmon is one of near-field light with resolution power beyond the diffraction limitation of the propagating light. If a material sample to be measured is put on the metal surface, the surface plasmon light propagates on the material surface. Since this propagation causes a phase shift in the surface plasmon light to be measured with a light interferometric method, refractive index profile or shape profile of the sample surface can be measured with a high accuracy of nano order. In order to reconstruct this surface plasmon interferometer, the following things are made clear: microfabrication method to generate nanoscale structures in a metal film, characteristics of surface plasmon excitation by metal nano pinhole, and fiber optical probe to extract plasmon with a high resolution.
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Research Products
(3 results)
