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Sensors 2007, 7(11), 2652-2659; doi:10.3390/s7112652

Application to Temperature Sensor Based on Green Up-conversion of Er3+ Doped Silicate Glass

1
College of Physics and Electronic Technology, Liaoning Normal University, Dalian 116029, China
2
School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China
3
School of Science, Dalian Nationalities University, Dalian 116600, China
*
Author to whom correspondence should be addressed.
Received: 7 September 2007 / Accepted: 22 October 2007 / Published: 7 November 2007
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Abstract

The green up-conversion emissions centered at the wavelengths of about 534nmand 549nm of the Er3+ doped silicate glass were recorded, using a 978 nm semiconductorlaser diode (LD) as an excitation source. The fluorescence intensity ratio (FIR) of the greenup-conversion emissions at about 534nm and 549nm in the Er3+ doped silicate glass wasstudied as a function of temperature over the temperature range of 296K-673K. Themaximum sensitivity and the temperature resolution derived from the FIR of the green up-conversion emissions are approximately 0.0023K-1 and 0.8K, respectively. It isdemonstrated that the prototype optical temperature sensor based on the FIR technique fromthe green up-conversion emissions in the Er3+ doped silicate glass could play a major role intemperature measurement.
Keywords: Er3+ doped silicate glass; Optical temperature sensor; Green up-conversion emissions; Fluorescence intensity ratio Er3+ doped silicate glass; Optical temperature sensor; Green up-conversion emissions; Fluorescence intensity ratio
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Li, C.; Dong, B.; Ming, C.; Lei, M. Application to Temperature Sensor Based on Green Up-conversion of Er3+ Doped Silicate Glass. Sensors 2007, 7, 2652-2659.

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