Study on Thermal and Luminescence Properties of YAG:Ce Ceramics Excited by High‐Power Fiber Laser with the Condition of a Water‐Cooling Package

IF 2.5 4区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Physica Status Solidi-Rapid Research Letters Pub Date : 2024-08-28 DOI:10.1002/pssr.202400143

Lichao Wang, Yang Li, Xindi Li, Yiwei Zhu, Jian Kang, Le Zhang, Cen Shao, Jun Zou

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Abstract

A high‐power white laser source is prepared by using a 455 nm blue laser to excite YAG:Ce ceramics. To achieve high‐power output, a water‐cooling device is used to reduce the operating temperature of ceramics. The luminescence properties of laser‐excited phosphor ceramics are studied under different blue excitation power and different irradiation time. The experimental results show that the luminous flux of phosphor ceramics excited by the blue laser increases linearly with the increase of blue laser power, depending on the heat dissipation of the water‐cooling device. When the blue laser power increases to 73.1 W, the phosphor ceramics do not reach the luminescence saturation state. The luminous flux of phosphor ceramics excited by 73.1 W blue laser is stable within 60 min. The maximum luminous flux is 8094 lm, and the maximum working temperature of the ceramics is 110 °C. The experimental results show that water‐cooling packages are an effective means to realize high‐power white laser sources.

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在水冷套条件下研究高功率光纤激光器激发的 YAG：Ce 陶瓷的热特性和发光特性

利用 455 nm 的蓝色激光激发 YAG:Ce 陶瓷，制备出高功率白光激光源。为了实现高功率输出，使用了水冷装置来降低陶瓷的工作温度。研究了不同蓝光激发功率和不同照射时间下激光激发荧光粉陶瓷的发光特性。实验结果表明，蓝光激光激发荧光粉陶瓷的光通量随蓝光激光功率的增加而线性增加，这取决于水冷装置的散热情况。当蓝色激光功率增加到 73.1 W 时，荧光粉陶瓷并没有达到发光饱和状态。在 73.1 W 蓝色激光的激励下，荧光粉陶瓷的光通量在 60 分钟内保持稳定。最大光通量为 8094 lm，陶瓷的最高工作温度为 110 °C。实验结果表明，水冷封装是实现高功率白光激光源的有效手段。

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来源期刊

Physica Status Solidi-Rapid Research Letters 物理-材料科学：综合

CiteScore

5.20

自引率

3.60%

发文量

208

审稿时长

1.4 months

期刊介绍： Physica status solidi (RRL) - Rapid Research Letters was designed to offer extremely fast publication times and is currently one of the fastest double peer-reviewed publication media in solid state and materials physics. Average times are 11 days from submission to first editorial decision, and 12 days from acceptance to online publication. It communicates important findings with a high degree of novelty and need for express publication, as well as other results of immediate interest to the solid-state physics and materials science community. Published Letters require approval by at least two independent reviewers. The journal covers topics such as preparation, structure and simulation of advanced materials, theoretical and experimental investigations of the atomistic and electronic structure, optical, magnetic, superconducting, ferroelectric and other properties of solids, nanostructures and low-dimensional systems as well as device applications. Rapid Research Letters particularly invites papers from interdisciplinary and emerging new areas of research.