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Title: Holmium doped yttria transparent ceramics for 2-μm solid state lasers
Authors: Wang, Jun
Zhao, Yongguang
Yin, Danlei
Liu, Peng
Ma, Jie
Wang, Ying
Shen, Deyuan
Dong, Zili
Kong, Ling Bing
Tang, Dingyuan
Keywords: Holmium Ions
Yttria Transparent Ceramics
DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2017
Source: Wang, J., Zhao, Y., Yin, D., Liu, P., Ma, J., Wang, Y., . . . Tang, D. (2018). Holmium doped yttria transparent ceramics for 2-μm solid state lasers. Journal of the European Ceramic Society, 38(4), 1986-1989. doi:10.1016/j.jeurceramsoc.2017.12.019
Series/Report no.: Journal of the European Ceramic Society
Abstract: 0.7 at.% Ho:Y2O3 transparent ceramics were fabricated by using vacuum sintering plus hot isostatic pressing (HIPing) process. Vacuum sintered at 1500 °C for 12 h followed by HIPing at 1450 °C for 4 h, the Ho:Y2O3 ceramics showed excellent in-line transmission and uniform grain size, with an average grain size of about 1 μm. The Ho:Y2O3 ceramics showed good thermal conductivity thanks to the identical effective ionic radius between Ho3+ and Y3+. For the first time, room temperature laser oscillation from Ho:Y2O3 transparent ceramics was demonstrated. The uncoated 0.7 at.% Ho:Y2O3 ceramic slabs were in-band pumped by a Tm:fiber laser at 1941 nm, and a maximum output power of 1.3 W at 2116.8 nm was achieved with a slope efficiency of 31.2%. It indicates that Ho:Y2O3 transparent ceramics could be excellent laser gain medias for 2 μm solid-state laser applications.
ISSN: 0955-2219
DOI: 10.1016/j.jeurceramsoc.2017.12.019
Rights: © 2017 Elsevier Ltd. All rights reserved. This paper was published in Journal of the European Ceramic Society and is made available with permission of Elsevier Ltd.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles
MSE Journal Articles

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