スケジュール 1 12:00 〜 12:15 [OWPT5-04] Conversion Efficiency Measurements for Optical Devices, Especially Receivers, Based on Calorimetric Method *Terubumi Saito1, Shigeki Tsuchiya1, Muneaki Tatsuta1, Yamato Abe1, Hidetaka Abe1 (1. Tohoku Institute of Technology)