Tsuyoshi Haga
Sumitomo Electric Industries
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Publication
Featured researches published by Tsuyoshi Haga.
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1997
Tsuyoshi Haga; Tsuyoshi Shinzato; Katsuji Emura; Hiroshi Takada
Abstract Free-electron-laser of (FEL) oscillation at 14 μm using a two-mode compact linac is reported. FEL oscillation with a net gain of 7% is obtained using an electron beam with an energy of 24.8 MeV, peak current of 30 A, and pulse duration of 10 μs. Since an electron beam with good properties such as a low emittance and narrow energy spread is essential for the FEL oscillation, a low-emittance gun supplied with a high voltage of DC −200 kV and a klystron modulator having a precise voltage stability were developed. The linac can not only be operated as a FEL source but also an injector for a synchrotron radiation ring. This is the first such linac reported and is expected to enable cost-effective industrial use of FEL.
Archive | 2005
Tsuyoshi Haga
Archive | 2001
Tsuyoshi Haga; Katsuya Okumura; Nobuo Hayasaka; Hideki Shibata; Noriaki Matsunaga
Archive | 1997
Yoshihiro Hirata; Tsuyoshi Haga
Archive | 2002
Yoshihiro Hirata; Tsuyoshi Haga; Toshiyuki Numazawa; Kazuo Nakame; Kazunori Okada; Jun Yorita
Archive | 2003
Tsuyoshi Haga; Katsuya Okumura; Nobuo Yokosuka-shi Hayasaka; Hideki Shibata; Noriaki Matsunaga
Archive | 2004
Yasuhito Masuda; Yasuhiro Okuda; Fumihiro Hayashi; Tsuyoshi Haga
Archive | 2005
Tsuyoshi Haga
Archive | 2004
Yasuhiro Okuda; Fumihiro Hayashi; Tsuyoshi Haga; Taro Fujita; Mayo Uenoyama; Yasuhito Masuda; Yuichi Idomoto
Archive | 2002
Jun Yorita; Yoshihiro Hirata; Tsuyoshi Haga
