| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
An novel scheme for spin wave excitations using near magnetic field pulses induced by optical pulse illumination was proposed and invesigated.
Terahertz radiation spectroscopy and optical pump - terahertz magneto-optical effect probe system were developed to study the mechanism of the optically excited spin waves. The excitation of the spin waves in YIG by the magetic field pulses generated by optically excited TGG was examined.
During the course of this research, characteristic terahertz pulse radaition from TGG excited by the optical pulses was found. To calrify the origin of the radiation from TGG, the transmission of terahretz waves through TGG was investigated.
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