Green up-conversion emissions and optical thermometry of Er3+ doped borosilicate glass

Zhiqing Feng; Haixin Bai; Yangyang He; Baosheng Cao

doi:10.1117/1.3569695

1 April 2011 Green up-conversion emissions and optical thermometry of Er³⁺doped borosilicate glass

Zhiqing Feng, Haixin Bai, Yangyang He, Baosheng Cao

Author Affiliations +

Optical Engineering, Vol. 50, Issue 4, 049001 (April 2011). https://doi.org/10.1117/1.3569695

Abstract

The green up-conversion emissions corresponding to the ²H11/2→4I15/2 and 4S3/2→4I15/2 transitions of the Er³⁺ doped borosilicate glass were recorded, using a 978-nm semiconductor laser diode as an excitation source. The fluorescence intensity ratio (FIR) of the green up-conversion emissions at about 524 and 550 nm was studied as a function of temperature over the temperature range of 296 to 723 K. The maximum sensitivity and the temperature resolution derived from the FIR of the green up-conversion emissions were approximately 0.0038 K−1 and 0.2 K, respectively. It was demonstrated that the prototype optical temperature sensor based on the FIR technique from the green up-conversion emissions in the Er³⁺ doped borosilicate glass plays a major role in temperature measurement.

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

Citation Download Citation

Zhiqing Feng, Haixin Bai, Yangyang He, and Baosheng Cao "Green up-conversion emissions and optical thermometry of Er³⁺doped borosilicate glass," Optical Engineering 50(4), 049001 (1 April 2011). https://doi.org/10.1117/1.3569695

Published: 1 April 2011

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