title: Highly efficient Tm:YAG ceramic laser resonantly pumped at 1617 nm.
abstract: We report on a highly efficient polycrystalline Tm:YAG ceramic laser in-band pumped by an Er:YAG laser at 1617 nm. Lasing characteristics of 4.0 and 6.0 at.%Tm(3+)-doped YAG ceramics were investigated and compared. With an output coupler of 10% transmission, a maximum output power of 7.3 W was obtained at 2015 nm under 12.8 W of incident pump power, corresponding to a slope efficiency with respect to incident pump power of 62.3%.
authors.affiliation: Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China.
authors.forename: Yong
authors.initials: Y
authors.lastname: Wang
authors.forename: Deyuan
authors.initials: D
authors.lastname: Shen
authors.forename: Hao
authors.initials: H
authors.lastname: Chen
authors.forename: Jian
authors.initials: J
authors.lastname: Zhang
authors.forename: Xianpeng
authors.initials: X
authors.lastname: Qin
authors.forename: Dingyuan
authors.initials: D
authors.lastname: Tang
authors.forename: Xiaofang
authors.initials: X
authors.lastname: Yang
authors.forename: Ting
authors.initials: T
authors.lastname: Zhao