"Hiroshi Onishi,Fuminori Yamazaki,Yoshiro Hakozaki,Masaki Takemura,Atsushi Nezu,Hiroshi Akatsuka","Measurement of electron temperature and density of atmospheric-pressure non-equilibrium argon plasma examined with optical emission spectroscopy",,"Japanese Journal of Applied Physics","IOP Science","Vol. 60","No. 2","  026002",2021,Jan.