Development of a Millimeter-Wave Beam Position and Profile Monitor for Transmission Efficiency Improvement in an ECRH SystemT. Shimozuma, S. Kobayashi, S. Ito, Y. Ito, S. Kubo, Y. Yoshimura, M. Nishiura, H. Igami, H. Takahashi, Y. Mizuno, K. Okada and T. MutohEPJ Web of Conferences, 87 (2015) 04011DOI: https://doi.org/10.1051/epjconf/20158704011