Advanced Plasma Energy Research Section

概要

The current subjects of this research section are to study the properties of high temperature plasmas in or- der to control and improve the plasma energy confine- ment from the physical viewpoint of nuclear fusion re- search. The experimental and theoretical investiga- tions for the optimization of the helical-axis heliotron configuration are in progress under the collaboration with other groups of the international/national insti- tutes and also groups of other universities under the auspices of the Collaboration Program of the Lab.　Complex Energy Processes, IAE and the Collabora- tive Research Program of NIFS (National Institute for Fusion Science).

In this report, a remarkable result obtained in the Heliotron J experimental study in FY2020 is reported focusing on (1) O-X mode conversion analysis for the electron Bernstein wave heating and diagnostic, (2) development of interferometer system for the electron density measurement and (3) X-ray spectrum meas- urement in non-resonant microwave heated plasmas.

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