Cross talk and optical efficiency of an energy-harvesting color projector utilizing ceramic phosphors

Yunoki Kohei; Matsumura Ryo; Kohmoto Takamasa; Ohta Masamichi; Tsutsumi Yasuhiro; Fujieda Ichiro

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Cross talk and optical efficiency of an energy-harvesting color projector utilizing ceramic phosphors

机译：利用陶瓷磷光体的能量收集彩色投影仪的交叉谈话和光学效率

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A color projector screen was fabricated by filling three kinds of ceramic phosphor powders in the periodic hollow columns formed in a 50 mm x 50 mm x 10 mm acrylic waveguide. When a blue laser beam excited a single spot on the screen, a disk-shaped cross-talk pattern appeared. Its intensity was 5 orders of magnitude lower than that of the excited spot. The solar cells attached to the waveguide edge harvested less than 0.8% of the incident optical power. The photons scattered by the phosphors are responsible for these characteristics, and the use of non-scattering luminescent materials is desired for improving them. (C) 2019 Optical Society of America

机译：通过填充在50mm×50mm×10mM丙烯酰基的周期性中空柱中填充三种陶瓷磷光体粉末来制造彩色投影仪。当蓝色激光束在屏幕上激发单个点时，出现了磁盘形的串扰模式。它的强度比兴奋点低5个数量级。连接到波导边缘的太阳能电池收获的离线电力的小于0.8％。由磷光体散射的光子对这些特性负责，并且需要使用非散射发光材料来改善它们。（c）2019年光学学会

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来源
《Applied optics》 |2019年第36期|共8页
作者
Yunoki Kohei; Matsumura Ryo; Kohmoto Takamasa; Ohta Masamichi; Tsutsumi Yasuhiro; Fujieda Ichiro;
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Ritsumeikan Univ 1-1-1 Nojihigashi Kusatsu Shiga 5258577 Japan;

Ritsumeikan Univ 1-1-1 Nojihigashi Kusatsu Shiga 5258577 Japan;

Optex Co Ltd 5-8-12 Ogoto Otsu Shiga 5200101 Japan;

Hosiden Corp 1-4-33 Kitakyuhoji Yao Osaka 5810071 Japan;

Ritsumeikan Univ 1-1-1 Nojihigashi Kusatsu Shiga 5258577 Japan;

Ritsumeikan Univ 1-1-1 Nojihigashi Kusatsu Shiga 5258577 Japan;

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Cross talk and optical efficiency of an energy-harvesting color projector utilizing ceramic phosphors

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