OGAWA, Kunihiro

To study fast ion confinement and transport mechanisms both in quiescent plasmas and in the presence of magneto-hydrodynamic (MHD) activity, an electric field parallel to the magnetic field type neutral particle analyzer (E||B-NPA) was inst…

To study fast ion confinement and transport mechanisms both in quiescent plasmas and in the presence of magneto-hydrodynamic (MHD) activity, an electric field parallel to the magnetic field type neutral particle analyzer (E||B-NPA) was inst…

Measurement of total neutron emission rate of 0.5 ms data using Fission chamber (FC)

Measurement of total neutron emission rate of 0.5 ms data using Fission chamber (FC)

Measurement of total neutron emission rate of 0.5 ms data using Fission chamber (FC)

Measurement of total neutron emission rate of 0.5 ms data using Fission chamber (FC)

Measurement of total neutron emission rate of 0.5 ms data using Fission chamber (FC)

Fast ion charge exchange spectroscopy (FIDA) with high time resolution

H-alpha diagnostics with high time resolution

Magnetic fluctuation diagnostics with high time resolution

Magnetic fluctuation diagnostics with high time resolution

Charge exchanged fast neutral measurement in LHD for understanding energetic ion confinement

Neutron emission profile diagnostics for energetic ion confinement study in LHD

Neutron emission profile diagnostics for energetic ion confinement study in LHD

Neutron emission profile diagnostics for energetic ion confinement study in LHD

Neutron emission profile diagnostics for energetic ion confinement study in LHD

Measurement of tota neutron emission rate 10 ms data using Fission chamber, 10B detector(NFM)

Measurement of tota neutron emission rate 10 ms data using Fission chamber, 10B detector(NFM)

Measurement of tota neutron emission rate 10 ms data using Fission chamber, 10B detector(NFM)

Lost-fast ion probe (FILD: Fast ion loss detector) to measure energy and pitch angle of lost-fast ion

Lost-fast ion probe (FILD: Fast ion loss detector) to measure energy and pitch angle of lost-fast ion

Lost-fast ion probe (FILD: Fast ion loss detector) to measure energy and pitch angle of lost-fast ion

The vertical neutron camera (VNC) measure neutron emission profile in deuterium plasmas of the large helical device (LHD).

The vertical neutron camera (VNC) measure neutron emission profile in deuterium plasmas of the large helical device (LHD).

The vertical neutron camera (VNC) measure neutron emission profile in deuterium plasmas of the large helical device (LHD).