2013 Fiscal Year Final Research Report
Nearfield magnetic effect of THz pulses and magnetic THz imaging
| Project/Area Number |
24656043
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Applied optics/Quantum optical engineering
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| Research Institution | Chiba University |
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Principal Investigator |
NAKAJIMA Makoto 千葉大学, 理学(系)研究科(研究院), 准教授 (40361662)
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| Co-Investigator(Kenkyū-buntansha) |
SUEMOTO Tohru 東京大学, 物性研究所, 教授 (50134052)
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Keywords | テラヘルツ波 / 近接場 / 磁性 / 超高速 / スピンダイナミクス / 磁気光学 / フェムト秒パルスレーザー |
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| Research Abstract |
We studied development of the THz time domain spectroscopy system using near field effect for high sensibility and high space resolution. We used magnetic materials as a sample and/or near field scanning tips. We developed the near field imaging system using metal or magnetic material (Ba ferrite) scanning tips. We succeeded the observation of the coherent spin precession motion with the large amplitude by making metal split ring resonators on surface of magnetic material (ErFeO3). We obtained the results of the interaction between the spin system and the split ring resonators.
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[Journal Article] Mechanism of enhanced optical second-harmonic generation in the conducting pyrochlore-type Pb2Ir2O7-x2013
Author(s)
Y. Hirata, M. Nakajima, Y. Nomura, H.Tajima, Y. Matsushita, K. Asoh, Y. Kiuchi, A.G. Eguiluz, R. Arita, T. Suemoto, and K. Ohgushi
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Journal Title
Physical Review Letters
Volume: 110
Pages: 187402
DOI
Peer Reviewed
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