Author in the following contributions
- Dynamic responses of negative ion meniscus to externally applied RF field
- Photoelectric current measurement of plasma grid materials for a compact H- ion source
- Towards low divergence beams for the ITER neutral beam injection system
- Negative and positive ion density in front of negative ion production surface in large-scaled negative ion source for fusion
- Construction of a Filament-RF driven hybrid negative ion source at NIFS
- A review of the NIFS negative-ion based NBI driven with Filament-Arc (FA) discharge
