15:45 〜 16:00 ▼ [20p-E206-8] Effects of Substrate Phonon Absorption on the Resonance Properties of Ultrathin Metamaterials in the Terahertz Range 〇Tianye Niu1、Boqi Qiu1、Ya Zhang3、Kazuhiko Hirakawa1,2 (1.IIS、2.INQIE、3.TUAT)