3:45 PM - 4:00 PM [19p-S622-8] Upconversion Luminescence of Rare-earth Doped Nanocomposites with Metal Core and Metal Nano-Cap 〇Hiroyuki Takashina1, Kaoru Yamamoto1, Kenji Imakita1, Minoru Fujii1 (1.Kobe Univ.)