High brightness laser-driven white emitter for Etendue-limited applications

被引：28
|
作者：
Yang, Yi [1 ,2 ]
Zhuang, Songlin [1 ]
Kai, Beichao [3 ]
机构：
[1] Univ Shanghai Sci & Technol, Sch Opt Elect & Comp Engn, 516 Jungong Rd, Shanghai, Peoples R China
[2] Shanghai Blue Lake Lighting Technol Co Ltd, 128 Xiangyin Rd, Shanghai, Peoples R China
[3] Shandong Huaguang Optoelect Co Ltd, 1835 Tianchen Rd, Jinan, Shandong, Peoples R China
来源：
APPLIED OPTICS | 2017年 / 56卷 / 30期
关键词：
LIGHT-SOURCE; PHOSPHOR; EFFICIENCY;
D O I：
10.1364/AO.56.008321
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Laser-phosphor lighting has great potential because a laser diode (LD) could keep high efficiency under high current. Remote phosphor configuration has been studied, but a phosphor-covered LD has not been reported due to several difficulties. In the present work, we develop a novel laser-driven white emitter. Without remote phosphor configuration, the white emitter has a very simple structure, making it is easy for mass production and standardization. Under a continuous wave driving current of 3 A, it emits 850 lm with correlated color temperature of 6990 K. The wall-plug efficacy is 70 lm/W for the maximum. The laser-driven white emitter is very suitable for Etendue-limited applications due to its very small emitting size of 0.45 mm x 0.2 mm. (C) 2017 Optical Society of America
引用
收藏
页码：8321 / 8325
页数：5
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