HIGH BRIGHTNESS BLUE AND GREEN LIGHT-SOURCES PUMPED WITH A 980 NM EMITTING LASER DIODE

被引：30
作者：
MITA, Y
WANG, Y
SHIONOYA, S
机构：
[1] Department of Electronics, Tokyo Engineering University, 1404, Katakura, Hachioji
来源：
APPLIED PHYSICS LETTERS | 1993年 / 62卷 / 08期
关键词：
D O I：
10.1063/1.108583
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Efficient frequency upconversion from 980 nm infrared light to 480 nm wavelength blue emission has been observed in Tm3+-activated, Yb3+-sensitized fluoride glass. Similar upconversion to green emission has been obtained with higher efficiency in Er3+-containing luminescent materials. The conversion efficiencies have been markedly improved when the luminescent material small in size is contained in a reflective cavity. The improvement effect is pronounced when transparent luminescent material is adopted. Processes leading to the generation of visible emission have been examined and criteria for optimizing the upconversion efficiency are presented.
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页码：802 / 804
页数：3
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