Shigeki Tokita

Summary

Affiliation: Kyoto University
Country: Japan

Publications

  1. ncbi Single-shot femtosecond electron diffraction with laser-accelerated electrons: experimental demonstration of electron pulse compression
    Shigeki Tokita
    Advanced Research Center for Beam Science, Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611 0011, Japan
    Phys Rev Lett 105:215004. 2010
  2. ncbi 0.3% energy stability, 100-millijoule-class, Ti:sapphire chirped-pulse eight-pass amplification system
    Shigeki Tokita
    Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611 0011, Japan
    Opt Express 16:14875-81. 2008
  3. ncbi Stable 10 W Er:ZBLAN fiber laser operating at 2.71-2.88 μm
    Shigeki Tokita
    Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611 0011, Japan
    Opt Lett 35:3943-5. 2010
  4. ncbi Collimated fast electron emission from long wires irradiated by intense femtosecond laser pulses
    Shigeki Tokita
    Advanced Research Center for Beam Science, Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611 0011, Japan
    Phys Rev Lett 106:255001. 2011
  5. ncbi Single-shot microscopic electron imaging of intense femtosecond laser-produced plasmas
    Shunsuke Inoue
    Department of Physics, Graduate School of Science, Kyoto University Kitashirakawa, Sakyo, Kyoto 606 8502, Japan
    Rev Sci Instrum 81:123302. 2010
  6. ncbi Autocorrelation measurement of fast electron pulses emitted through the interaction of femtosecond laser pulses with a solid target
    Shunsuke Inoue
    Advanced Research Center for Beam Science, Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611 0011, Japan
    Phys Rev Lett 109:185001. 2012
  7. ncbi 12 W Q-switched Er:ZBLAN fiber laser at 2.8 μm
    Shigeki Tokita
    Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611 0011, Japan
    Opt Lett 36:2812-4. 2011

Collaborators

  • Shunsuke Inoue
  • Kazuto Otani
  • Shuji Sakabe
  • Masaki Hashida
  • Toshihiro Taguchi
  • Hitoshi Sakagami
  • Masayasu Hata
  • Toshihiko Nishoji
  • Shinichiro Masuno

Detail Information

Publications7

  1. ncbi Single-shot femtosecond electron diffraction with laser-accelerated electrons: experimental demonstration of electron pulse compression
    Shigeki Tokita
    Advanced Research Center for Beam Science, Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611 0011, Japan
    Phys Rev Lett 105:215004. 2010
    ..This pulse was used to generate a clear diffraction pattern of a gold crystal in a single shot. This method solves the space-charge problem in ultrafast electron diffraction...
  2. ncbi 0.3% energy stability, 100-millijoule-class, Ti:sapphire chirped-pulse eight-pass amplification system
    Shigeki Tokita
    Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611 0011, Japan
    Opt Express 16:14875-81. 2008
    ..3% was achieved, which was 5 times lower than that of the pump laser. This is the lowest pulse-to-pulse fluctuation, to the best of our knowledge, obtained by the 100-mJ-class Ti:sapphire amplifiers...
  3. ncbi Stable 10 W Er:ZBLAN fiber laser operating at 2.71-2.88 μm
    Shigeki Tokita
    Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611 0011, Japan
    Opt Lett 35:3943-5. 2010
    ..The total tunability range for various pump power levels was 170 nm (2710 to 2880 nm). To our knowledge, this is the highest performance (output power and tunability) obtained from a tunable 3 μm fiber laser...
  4. ncbi Collimated fast electron emission from long wires irradiated by intense femtosecond laser pulses
    Shigeki Tokita
    Advanced Research Center for Beam Science, Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611 0011, Japan
    Phys Rev Lett 106:255001. 2011
    ..Numerical simulations reveal that the electrons are trapped by the transient electric field surrounding the wire and guided along the axial direction...
  5. ncbi Single-shot microscopic electron imaging of intense femtosecond laser-produced plasmas
    Shunsuke Inoue
    Department of Physics, Graduate School of Science, Kyoto University Kitashirakawa, Sakyo, Kyoto 606 8502, Japan
    Rev Sci Instrum 81:123302. 2010
    ..These results show that laser-plasma electron imaging is promising for studying the interactions of femtosecond lasers with high-density plasmas...
  6. ncbi Autocorrelation measurement of fast electron pulses emitted through the interaction of femtosecond laser pulses with a solid target
    Shunsuke Inoue
    Advanced Research Center for Beam Science, Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611 0011, Japan
    Phys Rev Lett 109:185001. 2012
    ..Numerical modeling of three-dimensional charged particle dynamics indicates that the emission duration of fast electrons is almost equal to the duration of the laser pulse...
  7. ncbi 12 W Q-switched Er:ZBLAN fiber laser at 2.8 μm
    Shigeki Tokita
    Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611 0011, Japan
    Opt Lett 36:2812-4. 2011
    ..Pulse energy up to 100 μJ and pulse duration down to 90 ns, corresponding to a peak power of 0.9 kW, were achieved at a repetition rate of 120 kHz...