A simple, low-cost, highly efficient,optical thermometry based on down-conversion green fluorescence of Er3+:SrGdGa3O7 crystal

被引：4
|
作者：
Sun, Hong-Xue [1 ,2 ]
Yuan, Ning [1 ,2 ]
Liu, Da-Yu [1 ,2 ]
Zhang, Zi-Bo [3 ]
Wang, Yan [4 ]
Wong, Wing-Han [1 ,2 ,5 ,6 ]
Yu, Dao-Yin [1 ,2 ]
Pun, Edwin Yue-Bun [5 ,6 ]
Zhang, De-Long [1 ,2 ,5 ,6 ]
机构：
[1] Tianjin Univ, Sch Precis Instruments & Optoelect Engn, Dept Optoelect & Informat Engn, Tianjin 300072, Peoples R China
[2] Tianjin Univ, Key Lab Optoelect Informat Technol, Minist Educ, Tianjin 300072, Peoples R China
[3] Univ Paris VI, Pierre & Marie Curie Univ, Dept Engn, 4 Pl Jussieu, F-75005 Paris, France
[4] Chinese Acad Sci, Fujian Inst Res Struct Matter, Fuzhou 350002, Fujian, Peoples R China
[5] City Univ Hong Kong, Dept Elect Engn, 83 Tat Chee Ave, Kowloon, Hong Kong, Peoples R China
[6] City Univ Hong Kong, State Key Lab Millimeter Waves, 83 Tat Chee Ave, Kowloon, Hong Kong, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2017年 / 94卷
基金：
中国国家自然科学基金;
关键词：
Optical thermometry; Fluorescence intensity ratio (FIR); Down-conversion; TEMPERATURE-SENSING PROPERTIES; MU-M EMISSION; ER3+ CONCENTRATION; LUMINESCENCE; SRGDGA3O7; GROWTH; SENSITIVITY; PHOSPHOR; SENSOR; GLASS;
D O I：
10.1016/j.materresbull.2017.06.039
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have developed a simple, low-cost and highly efficient optical temperature sensor based on intensity ratio of down-conversion green fluorescence of Er3+ ions doped in SrGdGa3O7 single crystal. The sensor consists simply of a 384 nm light emitting diode, two narrow-band interference filters, two Si-photocells and two multimeters, without use of a monochromator or spectrometer or focusing lens. It has a simple, compact structure and is Ipw-cost. The experimental results show that the device displays highly efficient sensing performance with good signal-to-noise ratio and high thermal resolution and temperature sensitivity, which has a value of (5.5-102.1) x 10(-3)K(-1) in the considered temperature range of 100-430 K. In addition, the experiments were repeated using a spectrometer and consistent results are obtained. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：408 / 414
页数：7
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