光通量
材料科学
荧光粉
激光器
激发态
陶瓷
发光
光电子学
发光效率
激光功率缩放
蓝光激光器
光学
二极管
原子物理学
复合材料
物理
图层(电子)
光源
作者
Lichao Wang,Yang Li,Xindi Li,Yiwei Zhu,Jian Kang,Le Zhang,Cen Shao,Jun Zou
标识
DOI:10.1002/pssr.202400143
摘要
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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