The 67th JSAP Spring Meeting 2020

Presentation information

Oral presentation

3 Optics and Photonics » 3.5 Laser system and materials

[12p-B508-1~12] 3.5 Laser system and materials

Thu. Mar 12, 2020 1:15 PM - 4:30 PM B508 (2-508)

Yuichi Kozawa(Tohoku Univ.), Hiroaki Furuse(Kitami Inst. of Tech.)

3:45 PM - 4:00 PM

[12p-B508-10] Observation of Energy transfer in Er/Dy co-doped fluoride glass for high-power LD-pumped mid-infrared fiber lasers

Hiyori Uehara1, Shigeki Tokita2, Ryo Yasuhara1 (1.National Institute for Fusion Science, 2.Osaka Univ.)

Keywords:mid-infrared fiber lasers, dysprosium, energy transfer

Dy/Er co-doped ZBLAN glass have been developed to achieve a LD-pumped Dy3+-activated fiber laser. The emission spectrum was measured under 970 nm LD pumping, and broadband fluorescence have been observed at 2.6~3.4 μm wavelength. Efficient energy transfer was successfully demonstrated in the Dy/Er co-doped ZBLAN glass.