Comparative study of blue laser diode driven cerium-doped single crystal phosphors in application of high-power lighting and display technologies

被引：65

作者：

Balci, Mustafa H. ^{[1
]}

Chen, Fan ^{[1
]}

Cunbul, A. Burak ^{[1
]}

Svensen, Oyvind ^{[2
]}

Akram, M. Nadeem ^{[1
]}

Chen, Xuyuan ^{[1
]}

机构：

[1] Univ Coll Southeast Norway, Dept Microsyst, Fac Technol Nat Sci & Maritime Sci, Campus Vestfold, Vestfold, Norway

[2] Barco Fredrikstad AS, Habornveien 53, N-1630 Gamle Fredrikstad, Norway

来源：

OPTICAL REVIEW | 2018年 / 25卷 / 01期

关键词：

Single crystal phosphors; Ce-doped garnets; Luminescence; Quantum efficiency; Thermal quenching; High-power blue laser excitation; WHITE LEDS; LUMINESCENCE;

D O I：

10.1007/s10043-017-0386-z

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Cerium-doped single crystals (Ce:LuAG, Ce:YAG, Ce:GAGG, Ce:GdYAG) have been investigated as stationary phosphor candidates for blue laser driven solid-state lighting without heat sink. The luminous properties of the single crystals are superior compared to the commercial ceramic powder phosphor wheels (Ce3+: -Y3Al5O12). The high-power blue laser diode driven temperature increase of the crystals versus quantum efficiency is experimentally measured and discussed. We have carried out realistic measurements at high excitation power levels and at high temperatures. Limitation of phosphors as stationary sources is determined for commercial usage. The measurements were done without any heat sink to see the relative comparison of SCPs in the worst-case scenarios. The results indicate that Gd and Ga addition decreases the luminescence quenching temperature. Based on their superior properties, these single crystals can serve as potential phosphor candidates for high-power blue diode laser driven picture projectors for the green and red channels.

引用

页码：166 / 174

页数：9

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