*Takafumi Tomita¹, Rene Villela^1,2, Yeelai Chew^1,2, Mahesh Tirumalasetty Panduranga^1,2, Hiroto Sakai³, Keisuke Nishimura³, Sylvain de Leseleuc^1,2, Kenji Ohmori^1,2 (1. National Institutes of Natural Sciences, Institute for Molecular Science, 2. SOKENDAI (The Graduate University for Advanced Studies), 3. Central Research Laboratory, Hamamatsu Photonics K.K.)

*Yoshitaka Kurosaka¹, Kazuyoshi Hirose¹, Yu Takiguchi¹, Takahiro Sugiyama¹, Kibo Ote¹ (1. HAMAMATSU PHOTONICS K.K.)

*Verdad C. Agulto¹, Toshiyuki Iwamoto^1,2, Makoto Nakajima¹ (1. Osaka Univ., 2. Nippo Precision Co., Ltd.)

*Jingwu Ye¹, Fumihiko Kannari¹, Masahiko Tani² (1. Keio University, 2. Research Center for Development of Far-Infrared Region, University of Fukui)