| Budget Amount *help |
¥44,980,000 (Direct Cost: ¥34,600,000、Indirect Cost: ¥10,380,000)
Fiscal Year 2021: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2020: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2019: ¥10,920,000 (Direct Cost: ¥8,400,000、Indirect Cost: ¥2,520,000)
Fiscal Year 2018: ¥23,400,000 (Direct Cost: ¥18,000,000、Indirect Cost: ¥5,400,000)
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| Outline of Final Research Achievements |
We developed fabrication technique for three-dimensional vertical-Metal-Insulator-Metal (MIM) structure, in which MIM structure is orientated vertically on the substrate surface. Using this developed technique, we successfully fabricated the v-MIM structure and evaluated its optical properties using a Fourier-transform infrared spectrometer. The results showed that the developed v-MIM structure exhibits a resonant absorption band in the mid-infrared region, particularly demonstrating nearly complete light absorption of 99.5% at a wavelength of 5 μm. Furthermore, we demonstrated the expansion of the absorption wavelength range by integrating structures that has absorption bands at different wavelength regions. Broadband metamaterial absorber using hyperbolic metamaterial is also studied.
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