Optical temperature sensing using upconversion fluorescence emission in Er3+/Yb3+-codoped chalcogenide glass

被引：213

作者：

dos Santos, PV ^{[1
]}

de Araujo, MT

Gouveia-Neto, AS

Neto, JAM

Sombra, ASB

机构：

[1] Univ Fed Alagoas, Dept Fis, BR-57072970 Maceio, AL, Brazil

[2] Univ Fed Ceara, Dept Fis, BR-60455760 Fortaleza, Ceara, Brazil

来源：

APPLIED PHYSICS LETTERS | 1998年 / 73卷 / 05期

关键词：

D O I：

10.1063/1.121861

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Optical temperature sensing using upconversion fluorescence emission in Er3+/Yb3+-codoped Ga2S3:La2O3 chalcogenide glass excited at 1.06 mu m is reported. Temperature measurements in the region of 20-225 degrees C with a resolution of approximately 0.5 degrees C using excitation powers of a few tens of milliwatts were obtained. The temperature sensing mechanism is independent of variations in the excitation intensity, possible fluctuations of transmission, and utilizes a simple signal detection and processing system. The results also revealed that the glass host material plays an important role in the performance of the sensing system. (C) 1998 American Institute of Physics.

引用

页码：578 / 580

页数：3

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