Author Affiliations

Yukio Yamada,^1,** Angelo Sassaroli,¹ Fabrizio Martelli,² Feng Gao,^1,* Huijuan Zhao,¹ Yoichi Onodera,¹ Yukari Tanikawa,¹ Kenji Tanaka,³ and Ryuichiro Araki⁴

¹Mechanical Engineering Laboratory, Ministry of Economy, Trade and Industry, Namiki 1-2, Tsukuba, Ibaraki, 305-8564, Japan

²Department of Physics, University of Florence, Italy

³Department of Electronic Engineering, Keio University, Japan

⁴Preventive Medical Institution, Saitama Medical School, Japan

^*NEDO fellow

^** yamada@mel.go.jp