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Optical Green Technology Research Unit
Satoshi WADA
Satoshi WADA
Unit Leader (Ph.D.)
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Research Areas

The research unit investigates the new optical technologies for environment measurement from space, energy resource with solar energy, medical diagnostic and treatment system. These fields are of important to maintain the social climate that the human race can live safely. We develop remote-sensing system to measure poisonous gas, lidar as an atmospheric monitor to acquire atmospheric information necessary for the high energy cosmic rays observation and solar-pumped laser for advanced energy source. We also work on the development of the tunable laser for the medical sensing. The particle control and precise measurement with high power Lyman α coherent source is another research field of our unit.

Research Subject

  1. Development of poisonous fumes remote detection system with laser
  2. Research on global environment measurement by light from the ground and space
  3. Development of Solar-pumped laser
  4. The particle control and precise measurement with high power Lyman α coherent source
  5. Research on Bio medical application using lasers

Related links

  1. RIKEN Advanced Science Institute Website_Laboratories PageNew Window

List of Selected Publications

  1. Wang Y., Kan H., Ogawa T., Wada S.:
    "Optimization of two-lems coupling structure for a tandem-set solid state laser system"
    J. Opt., 12, 085702/1-8 (2010).
  2. Maeda Y., Yumoto M., Saito N., Ogawa T., Kurokawa K., Nakano A., Yamashita M., Wada S.:
    "Broadly Tunable UV-Blue Picosecond Pulsed Laser and Its Application for Biological Imaging"
    Optical Review,17,No.3, 305-308 (2010).
  3. Wang Y., Inoue K., Kan H., Ogawa T., Wada S.:
    "A MOPA with Double-End Pumped Configuration Using Total Internal Reflection"
    Laser Phys., 20, 1-7 (2010).
  4. Wang Y., Kan H., Ogawa T., Wada S.:
    "Aperture obstruction influences birefringence evaluation of a Nd : YAG laser system with tandem-Set rods"
    J .Phys. D: Appl. Phys., 43, 285102/1-10 (2010)
  5. Yoshioka H., Nakamura S., Ogawa T., Wada S.:
    "Dual-wavelength mode-locked Yb:YAG ceramic laser in single cavity"
    Opt. Exp, 18, 1479-1486 (2010).
  6. Yumoto M., Maeda Y., Saito N., Ogawa T., Yamashita M., Wada S.:
    "Wavelength Stabilization on Dual-Wavelength Oscillation in Electronically Tuned Ti:Al2O3 Laser"
    Appl.Phys.Express,3, 012701/1-3 (2010).
  7. Louchev O.A., Wada S.:
    "Numerical model and study of cascaded third harmonic generation in two-sectioned a periodically poled Mg-doped LiTaO3 structure"
    J. Appl. Phys, 108, 093106/1-5 (2009).
  8. Ogawa T., Kawasaki Y., Takizawa Y., Ebisuzaki T., Sakaki N., Higuchi M., Uchihori Y., Kitamura H., Wada S.:
    "Radiation Resistance of Nd-Doped Laser Crystals for Space Application"
    Jpn. J. Appl. Phys., 48, 088001/1-2 (2009).
  9. Louchev O.A., Urata Y., Yumoto M., Saito N., Wada S.:
    "Thermo-optical modeling of high power operation of 2μm codoped Tm,Ho solid-state lasers"
    J. Appl. Phys., 104, 033114/1-8 (2008).
  10. Saito N., Akagawa K., Ito M., Takazawa A., Hayano Y., Saito Y., Ito M., Takami H., Iye M., Wada S.:
    "Sodium D2 resonance radiation in single-pass sum-frequency generation with actively mode-locked Nd:YAG lasers"
    Opt. Lett., 32, 1965-1967 (2007).

Members

Principal Investigator

Satoshi WADA
Unit Leader

Staff Scientist

Norihito SAITO
ASI Research Scientist

Postdoctoral Fellow

Takayo OGAWA
Special Postdoctoral Researcher
Oleg Anatolievich LOUTCHEV
Contract Researcher
Kosuke SHINODA
Contract Researcher
Masaki YUMOTO
Postdoctoral Researcher
Yasuhiro MAEDA
Postdoctoral Researcher

Technical Assistant

Utako TAKAGI
Technical Staff I
Yukinori KUNIMOTO
Technical Staff I
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