[11a-S421-1~12] 3.9 Terahertz technologies

[11a-S421-12] Evaluation of an AR-coated DAST crystal by THz-time domain spectroscopy

〇Keiko Kitagishi¹, Kazunori Serita¹, Hirohisa Uchida^2,3, Chisa Koyama³, Takeshi Takagi³, Masayoshi Tonouchi¹ (1.Osaka Univ., 2.Nagoya Univ., 3.ARKRAY Inc.)

Keywords:terahertz, organic non-linear optical crystal, fluorine resin coating

Organic non-linear optical crystal, DAST, which was coated with fluorine resin, Cytop (AGC), was evaluated as THz emitter by THz time domain spectroscopy. A coated DAST crystal emits higher output THz signal than non-coated crystal.