High-Peak-Power Tunable Source at 550 nm From a Frequency-Doubled Yb-Doped Fiber MOPA

被引：3

作者：

He, Jing ^{[1
]}

Lin, Di ^{[1
]}

Xu, Lin ^{[1
]}

Beresna, Martynas ^{[1
]}

Zervas, Michalis N. ^{[1
]}

Shaif-ul Alam ^{[1
]}

Brambilla, Gilberto ^{[1
]}

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2019年 / 31卷 / 10期

基金：

英国工程与自然科学研究理事会;

关键词：

Visible lasers; tunable lasers; optical fiber amplifiers; ytterbium; harmonic generation; EFFICIENT; YELLOW; LASER;

D O I：

10.1109/LPT.2019.2903026

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A high-peak-power tunable green source operating in the range of 544-552 nm is demonstrated through frequency doubling a diode-seeded, nanosecond, polarization-maintaining, Yb-doped fiber master oscillator power amplifier system. Type I second-harmonic generation was implemented in a lithium tri-borate crystal via noncritical phase matching by temperature tuning. Narrow-bandwidth green light of average output power of up to 9 W, with a pulse duration of 1.8 ns and a peak power of 25 kW, was obtained at a repetition rate of 200 kHz. The pump-to-green conversion efficiency reached 30%. This linearly polarized, narrow bandwidth, tunable source has great potential for applications, such as material processing, sensing, and medical research.

引用

页码：727 / 730

页数：4

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