Application to temperature sensor based on Er3 +-doped barium borosilicate glasses at visible band

Chun-Hua Jiang; Yao Liu; Shuang Zhang; Tuo Cao; Wen-Yan Luan

doi:10.1117/1.3554739

1 March 2011 Application to temperature sensor based on Er³^+-doped barium borosilicate glasses at visible band

Chun-Hua Jiang, Yao Liu, Shuang Zhang, Tuo Cao, Wen-Yan Luan

Author Affiliations +

Optical Engineering, Vol. 50, Issue 3, 034404 (March 2011). https://doi.org/10.1117/1.3554739

Abstract

The process of preparing Er³⁺-doped barium borosilicate glass samples with different dopant concentrations using a high-temperature sintering technique is discussed. Under a 978-nm semiconductor laser excitation, the energy transfer from ²H11/2 to ⁴I15/2 and ⁴S3/2 to ⁴I15/2 caused by the transitions of Er³⁺ ions yields a 534- and a 549-nm green fluorescence. The relationship between the absolute temperature T and the fluorescence intensity ratio R of these two up-conversion photoluminescence spectra is discussed and fitted to the exponential function R = 1.782exp ( − 328/T) in the temperature range of 298 to 698 K. The sensitivity of the samples descends monotonously from 0.00219 to 0.00075 K−¹ with the temperature increase from 298 to 698 K. The data are of undoubted repeatability, and the proposed doped glass is suitable for sensitive, high-temperature measurement.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Chun-Hua Jiang, Yao Liu, Shuang Zhang, Tuo Cao, and Wen-Yan Luan "Application to temperature sensor based on Er³^+-doped barium borosilicate glasses at visible band," Optical Engineering 50(3), 034404 (1 March 2011). https://doi.org/10.1117/1.3554739

Published: 1 March 2011

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KEYWORDS

Luminescence

Erbium

Temperature metrology

Glasses

Temperature sensors

Barium

Borosilicate glass

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