High power tandem pumping fibre amplifier

doi:10.1088/1674-1056/20/11/114208

中国物理B ›› 2011, Vol. 20 ›› Issue (11): 114208-114208.doi: 10.1088/1674-1056/20/11/114208

• CLASSICAL AREAS OF PHENOMENOLOGY • 上一篇下一篇

High power tandem pumping fibre amplifier

肖虎, 吴武明, 许将明, 周朴, 许晓军

College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha 410073, China

收稿日期:2011-04-19 修回日期:2011-06-13 出版日期:2011-11-15 发布日期:2011-11-15

High power tandem pumping fibre amplifier

Xiao Hu(肖虎), Wu Wu-Ming(吴武明), Xu Jiang-Ming(许将明), Zhou Pu(周朴)^†, and Xu Xiao-Jun(许晓军)

College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha 410073, China

Received:2011-04-19 Revised:2011-06-13 Online:2011-11-15 Published:2011-11-15

摘要/Abstract

摘要： We demonstrate a high efficiency 1083 nm fibre amplifier tandem pumped by a 1030 nm fibre laser. The 1030 nm fibre laser is coupled into a 25 m long single clad ytterbium doped fibre via a high power wave division multiplexer to core pump the 1083 nm signal laser. An output power of 4.5 W and a power conversion efficiency of 76.6% are achieved without power-roll. The performance of the amplifier can be improved by optimizing the gain fibre length.

Abstract: We demonstrate a high efficiency 1083 nm fibre amplifier tandem pumped by a 1030 nm fibre laser. The 1030 nm fibre laser is coupled into a 25 m long single clad ytterbium doped fibre via a high power wave division multiplexer to core pump the 1083 nm signal laser. An output power of 4.5 W and a power conversion efficiency of 76.6% are achieved without power-roll. The performance of the amplifier can be improved by optimizing the gain fibre length.

Key words: tandem pump, fibre amplifier, single clad fibre

中图分类号: (Fiber lasers)

42.55.Wd

42.60.Da (Resonators, cavities, amplifiers, arrays, and rings) 42.60.By (Design of specific laser systems) 42.60.Lh (Efficiency, stability, gain, and other operational parameters)

肖虎, 吴武明, 许将明, 周朴, 许晓军. High power tandem pumping fibre amplifier[J]. 中国物理B, 2011, 20(11): 114208-114208.

Xiao Hu(肖虎), Wu Wu-Ming(吴武明), Xu Jiang-Ming(许将明), Zhou Pu(周朴), and Xu Xiao-Jun(许晓军) . High power tandem pumping fibre amplifier[J]. Chin. Phys. B, 2011, 20(11): 114208-114208.

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High power tandem pumping fibre amplifier

High power tandem pumping fibre amplifier

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