High-power Ho-doped sesquioxide ceramic laser in-band pumped by a Tm-doped all-fiber MOPA

High-power Ho-doped sesquioxide ceramic laser in-band pumped by a Tm-doped all-fiber MOPA

We report on a high-power Ho:Y2O3 ceramic laser in-band pumped by a homemade Tm-doped all-fiber MOPA at 1941 nm. The Ho:Y2O3 ceramics fabricated by vacuum sintering and hot isostatic pressing present uniform ceramic grain and high optical homogeneity. The 24.6 W output power at ~2117 nm is successfu...

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Bibliographic Details
Main Authors: Zhao, Yongguang, Wang, Jun, Yao, Weichao, Shao, Zhenhua, Shen, Chongfeng, Yin, Danlei, Wang, Ying, Liu, Peng, Zhou, Wei, Tang, Dingyuan, Shen, Deyuan
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2019
Subjects:
Laser Ceramics
Solid-state Lasers
Engineering::Electrical and electronic engineering
Online Access:https://hdl.handle.net/10356/105700
http://hdl.handle.net/10220/49569
http://dx.doi.org/10.1109/JPHOT.2018.2820328
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Institution: Nanyang Technological University
Language: English
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Summary:We report on a high-power Ho:Y2O3 ceramic laser in-band pumped by a homemade Tm-doped all-fiber MOPA at 1941 nm. The Ho:Y2O3 ceramics fabricated by vacuum sintering and hot isostatic pressing present uniform ceramic grain and high optical homogeneity. The 24.6 W output power at ~2117 nm is successfully achieved by exploiting the advantages of in-band pumping technique, which to our knowledge is one order of magnitude higher than the previous results obtained from the Ho-doped sesquioxides ceramic lasers, indicating the power scalability of sesquioxides ceramic compared to other bulk materials in high-power laser.

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