Solar-pumped TEM00 mode Nd:YAG laser by a heliostat-Parabolic mirror system

被引：28
|
作者：
Liang, Dawei [1 ]
Almeida, Joana [1 ]
Vistas, Claudia R. [1 ]
Guillot, Emmanuel [2 ]
机构：
[1] Univ Nova Lisboa, Dept Fis, CEFITEC, FCT, P-2829516 Lisbon, Portugal
[2] PROMES CNRS, F-66120 Font Romeu, Odeillo, France
来源：
SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2015年 / 134卷
关键词：
Solar-pumped laser; Single-mode laser; Resonator; Parabolic mirror; Solar heliostat; Neodymium;
D O I：
10.1016/j.solmat.2014.12.015
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Here we report a significant advance in solar-pumped laser beam brightness by pumping a 3 mm diameter Nd:YAG single-crystal rod with a heliostat-parabolic mirror system. The incoming solar radiation is first collected and focused by the system. A rectangular fused silica light guide and a 2D-CPC concentrator are then combined to further compress the concentrated solar radiation into the laser rod within a V-shaped pumping cavity. 4.4W continuous-wave TEM00 mode (M-2 <= 1.05) 1064 nm solar laser power is finally produced, attaining 4.0 W laser beam brightness figure of merit, which is 2.1 times higher than the previous record by a Fresnel lens. 0.81% TEM00 mode laser slope efficiency is achieved. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：305 / 308
页数：4
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