High power tandem pumping fibre amplifier

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 powe...

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Bibliographic Details
Published inChinese physics B Vol. 20; no. 11; pp. 278 - 281
Main Author 肖虎 吴武明 许将明 周朴 许晓军
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.11.2011
Subjects
Amplifiers
Conversion
Fibre
Gain
Lasers
Multiplexing
Optimization
Pumps
串联
光纤放大器
光纤激光器
功率转换效率
大功率
抽水
激光器泵浦
纳米光纤
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ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/20/11/114208

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Summary: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.
Bibliography:Xiao Hu,Wu Wu-Ming,Xu Jiang-Ming,Zhou Pu,Xu Xiao-Jun（College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha 410073, China）
tandem pump; fibre amplifier; single clad fibre
11-5639/O4
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.
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ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/20/11/114208