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Sato, Takuya*; Terui, Yuki*; Moriya, Rai*; Ivanov, B. A.*; Ando, Kazuya*; Saito, Eiji; Shimura, Tsutomu*; Kuroda, Kazuo*
Nature Photonics, 6(10), p.662 - 666, 2012/10
Times Cited Count：227 Percentile：99.23(Optics)In future spintronics it is anticipated that spin waves will function as unique information carriers that are free from Joule heating. Directional control of spin-wave emission has been desired for the realization of switching devices. Here, we propose a promising technique that makes use of a spatially shaped light pulse with circular polarization. Focusing this light pulse on a magnet generates spin waves via the inverse Faraday effect. Moreover, the wave number distribution of the spin waves is determined by the spatial intensity distribution of the light spot. We demonstrate the principle of this technique both theoretically and experimentally. We successfully control the direction of the energy flow by shaping the light spot into an ellipse, with its major axis parallel or perpendicular to the magnetic field.
Sakakibara, Tetsuro; Tsutomu, Tanabe,; Takahashi, Kuniaki; Akutsu, Shigeru; Kojima, Hiroshi; Sakashita, Akira*; Kuroda, Kazuhiko*
Proceedings of International Waste Management Symposium 2005 (WM 2005), 0 Pages, 2005/00
Focusing on the cover layer materials (as the Radon Barrier Materials), which could have the effect to restrain the radon from scattering into the air and the effect of the radiation shielding, we produced the radon barrier materials with crude bentonite on an experimental basis, using the rotary type comprehensive unit for grinding and mixing, through which we carried out the evaluation of the characteristics thereof.
C ceramics sintering using 24 GHz gyrotron radiationHoshizuki, Hisanori*; Kuroda, Tsutomu*; Mitsudo, Seitaro*; Idehara, Toshitaka*; Glyavin, M.*; Kitano, Akihiro; Ishibashi, Junichi; Nishi, Hiroshi; Shibahara, Itaru
En Sekigai Ryoiki Kaihatsu Kenkyu, 4, p.179 - 185, 2003/00
None
Kobayashi, Yutaro*; Haga, Kazuko*; Kaneda, Yoshihisa*; Kuroda, Kazuma*; Sato, Tsutomu*; Osugi, Takeshi; Sone, Tomoyuki; Kuroki, Ryoichiro
no journal, ,
no abstracts in English
