@article{oai:nifs-repository.repo.nii.ac.jp:00011391, author = {NAGASAKI, Kazunobu and NAKAMURA, Yuji and KAMIOKA, Sohei and IGAMI, Hiroe and VOLPE, Francesco and STANGE, Torsten and SAKAMOTO, Kinzo and OKADA, Hiroyuki and MINAMI, Takashi and KADO, Shinichiro and KOBAYASHI, Shinji and YAMAMOTO, Satoshi and OHSHIMA, Shinsuke and WEIR, Gavin and KONOSHIMA, Shigeru and KENMOCHI, Naoki and OTANI, Yoshiaki and YOSHIMURA, Yasuo and MARUSHCHENKO, Nikolai and MIZUUCHI, Tohru and MIZUUCHI, Toru}, issue = {Special Issue 1}, journal = {Plasma and Fusion Research}, month = {Jun}, note = {0000-0001-6423-1754, Electron Bernstein Emission (EBE) diagnostic system using Ordinary (O) - eXtraordinary (X) - Bernstein (B) mode conversion process has been developed for determining electron temperature profiles at overdense plasmas in a helical-axis heliotron device, Heliotron J. Ray-tracing calculation results show that the O-X mode conversion window is accessible with a current ECH/ECCD launcher and transmission system. The EBW radiation from the core region is expected to be measurable by adjusting the magnetic field strength. Effect of density fluctuation on O-X mode conversion efficiency is also discussed. Based on the calculations, a multi-channel radiometer of Ka-band range has been designed, assembled and tested.}, title = {Development of Electron Bernstein Emission Diagnostic for Heliotron J}, volume = {11}, year = {2016} }