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List of works by Masaki Osakabe

A diamond 14 MeV neutron energy spectrometer with high energy resolution

scientific article published in February 2016

Challenges toward improvement of deuterium-injection power in the Large Helical Device negative-ion-based NBIs

scientific article published in 2022

Characteristics of plasma grid bias in large-scaled negative ion source

scientific article published on 01 February 2014

Charged particle flows in the beam extraction region of a negative ion source for NBI

Development of a dual beamlet monitor system for negative ion beam measurements

scientific article published on 01 December 2018

Development of spectrally selective imaging system for negative hydrogen ion source

scientific article published in February 2014

Electron cyclotron beam measurement system in the Large Helical Device.

scientific article published in November 2014

Extension of high power deuterium operation of negative ion based neutral beam injector in the large helical device

scientific article published on 01 November 2019

Fast ion charge exchange spectroscopy adapted for tangential viewing geometry in LHD

scientific article published on 01 October 2010

Fusion product diagnostics planned for Large Helical Device deuterium experiment ⬇️

scientific article published on October 1, 2010

Installation of spectrally selective imaging system in RF negative ion source

scientific article published in February 2016

Neutral beam injection with an improved accelerator for LHD

scientific article published on 01 February 2008

Neutron-induced signal on the single crystal chemical vapor deposition diamond-based neutral particle analyzer

scientific article published on 01 November 2020

Nonlinear Excitation of Subcritical Instabilities in a Toroidal Plasma.

scientific article published on 8 January 2016

Nonuniform plasma meniscus modelling based on backward calculation of negative ion beamlet

scientific article published in 2022

Optical measurement of Cs distribution in the large negative ion source.

scientific article published in February 2008

Performance of the newly installed vertical neutron cameras for low neutron yield discharges in the Large Helical Device

scientific article published on 01 August 2020

Radial Transport Characteristics of Fast Ions Due to Energetic-Particle Modes inside the Last Closed-Flux Surface in the Compact Helical System

scientific article published in Physical Review Letters

Recent developments in engineering design for the quasi-axisymmetric stellarator CFQS

scientific article published in 2021

Recent results from deuterium experiments on the large helical device and their contribution to fusion reactor development

scientific article published in 2022

Resistive interchange modes destabilized by helically trapped energetic ions in a helical plasma

scientific article published on 17 April 2015

Role of pre-ionization in NBI plasma start-up of Heliotron J using non-resonant microwave heating

scientific article published in 2021

Spatial distribution of negative ion density near the plasma grid

scientific article published on 01 January 2020

Spatial distribution of the charged particles and potentials during beam extraction in a negative-ion source ⬇️

scientific article published on 01 February 2012

Spectroscopic observations of beam and source plasma light and testing Cs-deposition monitor in the large area negative ion source for LHD-NBI

scientific article published on 01 February 2008

Strong Destabilization of Stable Modes with a Half-Frequency Associated with Chirping Geodesic Acoustic Modes in the Large Helical Device.

scientific article published on 8 January 2016

Studies of energetic particle transport induced by multiple Alfvén eigenmodes using neutron and escaping energetic particle diagnostics in Large Helical Device deuterium plasmas

scientific article published in 2022

Study of correlation between plasma parameter and beam optics

scientific article published on 01 February 2020

Suppression of Trapped Energetic Ions Driven Resistive Interchange Modes with Electron Cyclotron Heating in a Helical Plasma

scientific article published on 20 March 2017

Upgraded millimeter-wave interferometer for measuring the electron density during the beam extraction in the negative ion source

scientific article

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