Large mode area double-clad ytterbium-doped tapered fiber with low birefringence

被引：4

作者：

Fedotov, Andrei ^{[1
]}

Ustimchik, Vasilii ^{[2
]}

Rissanen, Joona ^{[3
]}

Noronen, Teppo ^{[3
]}

Gumenyuk, Regina ^{[1
]}

Chamorovskii, Yuri ^{[4
]}

Kolosovskii, Alexander ^{[4
]}

Voloshin, Victor ^{[4
]}

Vorob'ev, Igor ^{[4
]}

Filippov, Valery ^{[3
]}

机构：

[1] Tampere Univ, Tampere 33100, Finland

[2] Peter Great St Petersburg Polytech Univ, Polytech Skaya Str 29, St Petersburg 195251, Russia

[3] Ampliconyx Ltd, Lautakatonkatu 18, Tampere 33580, Finland

[4] Russian Acad Sci, Fryazino Branch, Kotelnikov Inst Radio Engn & Elect, Vvedenskogo Sq 1, Fryazino 141190, Russia

来源：

FIBER LASERS XVIII: TECHNOLOGY AND SYSTEMS | 2021年 / 11665卷

基金：

俄罗斯科学基金会; 芬兰科学院;

关键词：

polarization; birefringence; fiber laser; active spun fiber; active tapered fiber; ultrafast fiber amplifier; STRESS; POLARIZATION;

D O I：

10.1117/12.2577834

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：

We developed ytterbium-doped double-clad large mode area (MFD = 30 mu m) spun tapered fibers with low internal birefringence and perfect beam quality (M-2 < 1.2). Picosecond MOPA system (95ps/100 MHz, 1064 nm) based on proposed active tapered fiber with output average power of 64 W (gain 32 dB) is demonstrated.

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页数：7

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