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High luminous fluorescence generation using Ce:YAG transparent ceramic excited by blue laser diode
Yuan, Yuan; Wang, Dongzhou; Zhou, Bojian; Feng, Shaowei; Sun, Minyuan; Zhang, Shuo; Gao, Weinan; Bi, Yong; Qin, Haiming
2018
发表期刊OPTICAL MATERIALS EXPRESS
卷号8期号:9页码:2760-2767
摘要Solid-state laser lighting is an emerging technology, whereby high-brightness white light can be generated using blue laser diodes combined with a yellow-emitting phosphor. In this study, Ce:YAG transparent ceramic wafers with different cerium concentrations and thicknesses are prepared and their optical characteristics are measured. A transmission mode is used, wherein the phosphor ceramic is fixed onto an oxygen-free copper sink, whose temperature is accurately controlled, and excited using the blue laser diode. The recorded spectrum shows that blue laser light is completely converted to yellow light with a wavelength of 565 nm and width of 200 nm. Moreover, with varied temperatures of 10-80 degrees C, the luminous flux, spectrum, and color coordinates exhibit relatively stable. More importantly, the luminous flux is highest (2690 lm) when irradiated by a 19.5-W blue laser (with a center wavelength of 454 nm) for a Ce3+ dopant concentration of 0.5 mol% and a Ce:YAG thickness of 1.6 mm. Based on these results, the Ce:YAG transparent ceramic can be used as a potential phosphor material in applications of high-power solid-state laser lighting and laser display. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.
关键词Light-emitting-diodes Optical-properties Luminescence Phosphors Yagce Leds Nanophosphors Bright
学科领域Physics
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17221
专题2018专题
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GB/T 7714
Yuan, Yuan,Wang, Dongzhou,Zhou, Bojian,et al. High luminous fluorescence generation using Ce:YAG transparent ceramic excited by blue laser diode[J]. OPTICAL MATERIALS EXPRESS,2018,8(9):2760-2767.
APA Yuan, Yuan.,Wang, Dongzhou.,Zhou, Bojian.,Feng, Shaowei.,Sun, Minyuan.,...&Qin, Haiming.(2018).High luminous fluorescence generation using Ce:YAG transparent ceramic excited by blue laser diode.OPTICAL MATERIALS EXPRESS,8(9),2760-2767.
MLA Yuan, Yuan,et al."High luminous fluorescence generation using Ce:YAG transparent ceramic excited by blue laser diode".OPTICAL MATERIALS EXPRESS 8.9(2018):2760-2767.
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