| Budget Amount *help |
¥18,330,000 (Direct Cost: ¥14,100,000、Indirect Cost: ¥4,230,000)
Fiscal Year 2019: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2018: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2017: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
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| Outline of Final Research Achievements |
In nanophotonic devices, substantial enhancement of optical field is realized by confining photons in a small area, which enables strong light-matter interaction. In this research, we study optical nanofibers that provide efficient optical coupling between the fluorescent two level systems (molecules, nanoparticles, etc) and optical fiber mode for the use in aqueous media. The main results are as follows: (1) A single-ended optical nanofibers were fabricated and applied to the nematode C. elegans. (2) The surface state and optical (and spin) properties of gold or diamond nanoparticles were quantified for their better integration with nanofibers. In addition, pH dependence of nanodiamond spin properties was determined. (3) Temperature sensing of cells and nematodes was realized using fluorescent nanodiamonds.
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