PDF Download Schedule 11 Like 1 4:15 PM - 4:30 PM [17p-E17-13] Narrowband THz optical vortex generation ○Katsuhiko Miyamoto1, Syota Umemoto1, Yu Tokizane1, Koji Suizu2, Takashige Omatsu1,3 (Chiba Univ.1, Chiba Ins. Univ.2, CREST3) Keywords:テラヘルツ,光渦,vortex