| Project/Area Number |
25286066
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Optical engineering, Photon science
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| Research Institution | University of Fukui |
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Principal Investigator |
TANI Masahiko 福井大学, 遠赤外領域開発研究センター, 教授 (00346181)
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| Co-Investigator(Kenkyū-buntansha) |
KAWASE Kodo 名古屋大学, 工学(系)研究科(研究院), 教授 (00296013)
KURIHARA Kazuyoshi 福井大学, 教育地域科学部, 教授 (20270704)
YAMAMOTO Kohji 福井大学, 遠赤外領域開発研究センター, 准教授 (70432507)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥18,850,000 (Direct Cost: ¥14,500,000、Indirect Cost: ¥4,350,000)
Fiscal Year 2015: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2014: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2013: ¥10,790,000 (Direct Cost: ¥8,300,000、Indirect Cost: ¥2,490,000)
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| Keywords | テラヘルツ / 電気光学サンプリング / テラヘルツ波 / 非線形光学 |
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| Outline of Final Research Achievements |
We have developed a new electro-optic sampling (EOS) scheme, "heterodyne Cherenkov EOS," for detection of THz pulsed radiation based on the Cherenkov phase-matched EOS, which was also invented by ourselves. About 20 times enhancement in the THz detection efficiency was achieved by using a tapered parallel plate metallic waveguide. In addition, the detection bandwidth of this technique was extended to 2.5 THz by using a slab waveguide structure in LiNbO3 crystal. We have investigated systematically the spatial signal distribution in the Cherenkov-EOS, the properties of which made it possible to realize the frequency resolved THz wave detection and the optimization of Cherenkov-EOS optical detection system.
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