[17p-M_110-1~13] 3.4 Laser system and materials

4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[17p-M_110-8] 75 W 1907 nm Tm fiber amplifier

〇(M1)Yasuhiro Shinoda¹, Ayu Konno¹, Masaki Tokurakawa^1,2,3 (1.ILS_UEC, 2.CNBE_UEC, 3.JST_PRESTO)

Keywords:

Fiber laser,Tm fiber laser,High power laser

In this study, we constructed a Tm fiber amplifier operating at a wavelength of 1908 nm for pumping Ho:YAG lasers.Consequently, The maximum output power of 75 W with the slope efficiency of 55% against the incident pump power was obtained.