| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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| Outline of Final Research Achievements |
Plasmonically enhanced near-field distributions in the vicinity of metal nano structures were mapped by utilizing light-induced polymer movement of azo-polymers. As a metal nano structure, single gold nano particle and silver nano tip (square pyramid) were used. By obtaining AFM images of polymer surfaces after light irradiation, light intensity distributions and polarization states of plasmonically enhanced near-fields were inferred. Since the inferred field distributions were good agreement with field distributions calculated by a finite-difference time-domain method, the validity of the proposed method was verified. Moreover, polymers were moved by anisotropic photo-fluidic force and optical gradient force in the direction parallel and perpendicular to the film surface, respectively.
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