[16p-PA06-1~2] 15.7 Crystal characterization, impurities and crystal defects

[16p-PA06-1] Development of photoluminescence imaging equipment using UVC LED

〇(M1)Ami Hitomi¹, Toru Katsumata^1,2, Hiroaki Aizawa¹ (1.Toyo Univ., 2.Toyo Inst.)

Keywords:UVC LED, Photoluminescence, Ti doped sapphire crystal

Photoluminescence imaging equipment has been developed using UVC LEDs (λ = 275 nm, 265 nm) as an excitation light. Photoluminescence images from Ti doped Al₂O₃ crystals were observed under irradiated UVC LED.