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Updated: Nov 30, 2025

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
Published on: April 16, 2017
Synergy between NIR luminescence and thermal emission toward highly sensitive NIR operating emissive thermometry
Lukasz Marciniak1, Karolina Trejgis2, Radosław Lisiecki2
1Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research, Wrocław, Poland. l.marciniak@intibs.pl.
Abstract:
There are many figures of merit, which determine suitability of luminescent thermometers for practical applications. These include thermal sensitivity, thermal accuracy as well as ease and cost effectivness of technical implementation. A novel contactless emission thermometer is proposed, which takes advantage of the coexistence of photoluminescence from Nd3+ doping ions and black body emission in transparent Nd3+ doped-oxyfluorotellurite glass host matrix. The opposite temperature dependent emission from these two phenomena, enables to achieve exceptionally high relative sensitivity SR = 8.2%/°C at 220 °C. This enables to develop new type of emissive noncontact temperature sensors.
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