12.2 W ZGP OPO pumped by a Q-Switched Tm3+:Ho3+-codoped fiber laser

被引：1
|
作者：
Forster, Patrick [1 ,2 ]
Lautenschlaeger, Jan [1 ,2 ]
Lorenz, Dominik [1 ,2 ]
Schneider, Julian [1 ,2 ]
Panitzek, Dieter [1 ,2 ]
Romano, Clement [1 ]
Eichhorn, Marc [1 ,2 ]
Kieleck, Christelle [1 ]
机构：
[1] Fraunhofer IOSB Inst Optron Syst Technol & Image, Gutleuthausstr 1, D-76275 Ettlingen, Germany
[2] Karlsruhe Inst Technol, Inst Syst Optimizat, Fritz Haber Weg 1, D-76131 Karlsruhe, Germany
来源：
NONLINEAR FREQUENCY GENERATION AND CONVERSION:MATERIALS AND DEVICES XXIII | 2024年 / 12869卷
关键词：
fiber laser; ZPG; OPO; TmHo; Thulium; Holmium; MWIR; OPERATION;
D O I：
10.1117/12.3002253
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
We present our latest results in power scaling of midwave-infrared (MWIR) optical parametric oscillators (OPOs) based on a Zinc Germanium Phosphide (ZGP) crystal, utilizing a single oscillator fiber laser as pump source. To obtain a compact and complexity-reduced pump source emitting at >= 2.09 mu m, a Q-switched Tm3+:Ho3+-codoped fiber laser was developed. Based on this pump source at an emission wavelength of 2.1 mu m, we achieved an MWIR output power of 12.2W with pulse energies of up to 270 mu J and a conversion efficiency exceeding 43 %. This result exceeds the published power records of ZGP-based OPOs pumped by 2 mu m Q-switched fiber lasers by 50% and sets a new benchmark for average power scaling and pulse energy of Q-switched pump sources.
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页数：8
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