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Proceedings Paper

Yb/Ce co-doped aluminosilicate PM fibers by VAD process for high power amplification of narrow linewidth source
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Paper Abstract

VAD technology for laser fibers are offering the extremely large rare-earth doped core, which makes it possible to improve the productivity and reproducibility of laser fibers. At the previous report, Yb:Ce co-doped fibers have shown relatively large background loss and the issues of surface crystallization. In this report, the additional process development for the reduction of the loss and the efficiency improvement has been successful. Based in that, Yb:Ce codoped aluminosilicate PM fiber has been fabricated and it used for power amplification of narrow linewidth source. The slope efficiency was 72.8% w.r.t the absorbed pump power and the output power has been reached to 124W at the initial experiment. The further power scaling will be performed and SBS characterization will be reviewed.

Paper Details

Date Published: 21 February 2020
PDF: 4 pages
Proc. SPIE 11260, Fiber Lasers XVII: Technology and Systems, 1126024 (21 February 2020); doi: 10.1117/12.2545722
Show Author Affiliations
Jaesun Kim, Taihan Fiberoptics Co., Ltd. (Korea, Republic of)
Hyungsu Cho, Taihan Fiberoptics Co., Ltd. (Korea, Republic of)
GaYe Park, Taihan Fiberoptics Co., Ltd. (Korea, Republic of)
Junho Lee, Taihan Fiberoptics Co., Ltd. (Korea, Republic of)
Daeseung Moon, Taihan Fiberoptics Co., Ltd. (Korea, Republic of)


Published in SPIE Proceedings Vol. 11260:
Fiber Lasers XVII: Technology and Systems
Liang Dong, Editor(s)

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