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Yoshida, Kensuke*; Fujioka, Shinsuke*; Higashiguchi, Takeshi*; Ugomori, Teruyuki*; Tanaka, Nozomi*; Kawasaki, Masato*; Suzuki, Yuhei*; Suzuki, Chihiro*; Tomita, Kentaro*; Hirose, Ryoichi*; et al.
Applied Physics Letters, 106(12), p.121109_1 - 121109_5, 2015/03
Times Cited Count：10 Percentile：38.07(Physics, Applied)Yoshida, Kensuke*; Fujioka, Shinsuke*; Higashiguchi, Takeshi*; Ugomori, Teruyuki*; Tanaka, Nozomi*; Ohashi, Hayato*; Kawasaki, Masato*; Suzuki, Yuhei*; Suzuki, Chihiro*; Tomita, Kentaro*; et al.
Applied Physics Express, 7(8), p.086202_1 - 086202_4, 2014/08
Times Cited Count：29 Percentile：73.72(Physics, Applied)We demonstrate high conversion efficiency for extreme ultraviolet (EUV) emission at 6.5-6.7 nm from multiple laser beam-produced one-dimensional spherical plasmas. Multiply charged-state ions produce strong resonance emission lines, which combine to yield intense unresolved transition arrays in Gd, Tb, and Mo. The maximum in-band EUV conversion efficiency was observed to be 0.8%, which is one of the highest values ever reported due to the reduction of plasma expansion loss.
Kado, Masataka; Kishimoto, Maki; Ejima, Takeo*; Tamotsu, Satoshi*; Yasuda, Keiko*; Aoyama, Masato*; Shinohara, Kunio*
no journal, ,
Soft X-ray microscope has a potential to observe live biological cells. But the cells had to be frozen in order to avoid radiation effects onto the biological cells or to be made a short pulse imaging with an intense X-ray source. Otherwise live cell imaging was not realized. Laser-plasma soft X-ray source was extremely bright and had short pulse duration. Hence it makes possible to capture soft X-ray images of biological cells before the cells damaged. Since the spatial resolution of the soft X-ray microscope depends on the photon flux irradiated onto the samples, it is important to increase brightness of the soft X-ray sources to observe inner structures of biological cells. We have increased the brightness of the soft X-ray source and succeeded in observing inner structures of live biological cells.
Kado, Masataka; Kishimoto, Maki; Ejima, Takeo*; Tamotsu, Satoshi*; Yasuda, Keiko*; Aoyama, Masato*; Tone, Shigenobu*; Shinohara, Kunio*
no journal, ,
Although soft X-ray microscope has an ability to observe live biological cells, in order to avoid radiation damages onto the biological cells the cells had to be frozen and live cell imaging was not realized. Since laser-plasma soft X-ray source was extremely bright and had short pulse duration, it makes possible to capture soft X-ray images of biological cells before the cells damaged. Since the spatial resolution of the soft X-ray microscope depends on the photon flux irradiated onto the samples, it is important to increase brightness of the soft X-ray sources to observe inner structures of biological cells. We have increased the brightness of the soft X-ray source and succeeded to observe inner structures of live biological cells.
