High-Power Ho-Doped Sesquioxide Ceramic Laser In-Band Pumped by a Tm-Doped All-Fiber MOPA

We report on a high-power Ho:Y 2 O 3 ceramic laser in-band pumped by a homemade Tm-doped all-fiber MOPA at 1941 nm. The Ho:Y 2 O 3 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 suc...

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Veröffentlicht in:	IEEE photonics journal 2018-04, Vol.10 (2), p.1-7
Hauptverfasser:	Zhao, Yongguang, Tang, Dingyuan, Shen, Deyuan, Wang, Jun, Yao, Weichao, Shao, Zhenhua, Shen, Chongfeng, Yin, Danlei, Wang, Ying, Liu, Peng, Zhou, Wei
Format:	Artikel
Sprache:	eng
Schlagworte:	Ceramics Fiber lasers infrared and far infrared lasers Laser ceramics Laser excitation Optical fiber amplifiers Power generation Power lasers Pump lasers solid-state lasers
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Zusammenfassung:	We report on a high-power Ho:Y 2 O 3 ceramic laser in-band pumped by a homemade Tm-doped all-fiber MOPA at 1941 nm. The Ho:Y 2 O 3 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.
ISSN:	1943-0655 1943-0647
DOI:	10.1109/JPHOT.2018.2820328