A recent publication by Lee et al. describes the helium-recycling system, the MEG system and the corresponding results.
Low-noise magnetoencephalography system cooled by a continuously operating reliquefier, Y H Lee, H Kwon, K K Yu, J M Kim, S K Lee, M-Y Kim and K Kim, Korea Research Institute of Standards and Science, 1 Doryong, Yuseong, Daejeon, 305-600, Republic of Korea, Supercond. Sci. Technol. 30 (2017) 084003 (8pp)