@article{oai:nifs-repository.repo.nii.ac.jp:00006932, author = {Matsuoka, M. and Kawaguchi, M. and Yamamoto, H. and Kaneko, O.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-15}, title = {Optimization of RF Coupling to Produce High-Density Homogenous Plasma for Negative Ion Sources}, volume = {Annual Report Apr.2000 - Mar.2001}, year = {} }