Free-running and Q-switched performance of a diode-pumped Er:Yb:YAG laser emitting at 1.65μm

被引：2
|
作者：
Georgiou, Efstratios [1 ]
Musset, Olivier [2 ]
Boquillon, Jean-Pierre [2 ]
机构：
[1] Inst Educ Technol, Dept Elect Engn, Ctr Mat Technol & Lasers, GR-71500 Iraklion, Greece
[2] Univ Bourgogne, UMR CNRS 5027, Lab Phys, F-21078 Dijon, France
来源：
SOLID STATE LASERS AND AMPLIFIERS II | 2006年 / 6190卷
关键词：
Erbium laser; diode-pumped; solid-state laser; Q-switched crystalline laser; eyesafe wavelength;
D O I：
10.1117/12.662246
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Pulsed Er3+:Yb3+:YAG is a novel crystalline diode-pumped laser capable of delivering high pulse energies in the 1.5-1.7 mu m "eye-safe" region. This work reports efficient lasing in long-pulse and in Q-switched mode, with pulse energies in the order of 10's of mJ, employing standard 960-nm quasi-cw semiconductor laser arrays in a direct transverse diode-pumping configuration. In free-running mode, 83mJ output, 15% slope efficiency and 0.24J pump threshold have been attained. Q-switched operation was realized with a "frustrated total internal reflection (FTIR)" device, yielding 12.5mJ single pulses of 41-ns FWHM duration with smooth temporal and spatial profiles. Pump temperature-tuning and pulse duration effects on laser performance were also investigated, whereas pumping parameters optimizing pulse energy and efficiency were determined.
引用
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页数：9
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