[20a-PA2-1~11] 3.5 Laser system and materials

[20a-PA2-2] Mid-IR laser-related spectroscopy of Dy-doped Y₂O₃ transparent ceramics

〇Hiyori Uehara³, Shigeki Tokita², Ryo Yasuhara³, Hiroaki Furuse¹ (1.Kitami Institute of Technology, 2.Osaka Univ., 3.National Institute for Fusion Science)

Keywords:mid-infrared laser, transparent ceramics

Optical properties of Dy-doped Y2O3 transparent ceramics have been evaluated with a view to use for mid-infrared laser gain medium at 3 to 4 μm wavelengths.
Emission spectrum at around 3 μm was successfully observed by 2.8 μm excitation.