| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
In this study, we have developed wavelength-tunable mid-infrared narrowband thermal emitters for infrared sensing. By using intersubband transitions in GaN/AlGaN quantum wells and optical resonances in photonic crystals, we demonstrated narrowband thermal emission and its electrical control in the mid-wavelength infrared range (corresponding to the wavelength range of 3-5 um). In addition, by using a photonic crystal that supports multiple optical resonances and multiple quantum wells, we successfully realized the electrical switching of multiple thermal emission peaks at distant wavelengths from a single emitter.
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