Efficient 1.7 μm pumping of 2 μm thulium lasers

被引：5

作者：

Kratochvil, Jan ^{[1
]}

Sulc, Jan ^{[1
]}

Jelinkova, Helena ^{[1
]}

机构：

[1] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Brehova 7, Prague 11519, Czech Republic

来源：

OPTICS LETTERS | 2023年 / 48卷 / 16期

关键词：

CHANNEL WAVE-GUIDE; CRYSTAL; POWER; TM3+;

D O I：

10.1364/OL.495369

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Solid-state 2 mu mlasers based on thulium-doped active media Tm:YAG, Tm:YAP, and Tm:YLF were investigated under 1.7 mu m resonant diode pumping. In contrast with standard 0.8 mu m pump wavelength, a high slope efficiency was achieved, up to 80% in the case of Tm:YAP and Tm:YLF, nearing a quantum limit without relying on Tm3+-Tm3+ cross-relaxation energy transfer. Low thermal load allowed for stable continuous-wave operation with good beam quality and output power up to 6 W (Tm:YAG, Tm:YLF), and 8W(Tm:YAP). (c) 2023 Optica Publishing Group https://doi.org/10.1364/OL.495369

引用

页码：4185 / 4188

页数：4

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