A review and outlook of ratiometric optical thermometer based on thermally coupled levels and non-thermally coupled levels

• Published in: Journal of alloys and compounds Vol. 894; p. 162494
• Main Authors: Wang, Chuanlong, Jin, Yahong, Zhang, Ruiting, Yao, Qing, Hu, Yihua
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 15.02.2022; Elsevier BV
• Subjects: Electromagnetic fields; Energy levels; Fluorescence; Fluorescence intensity ratio; Inorganic compounds; Measurement techniques; Non-thermally coupled levels; Optical properties; Optical thermometry; Sensitivity; Sensitivity enhancement; Temperature distribution; Temperature measurement; Thermally coupled levels; Thermometers; C; G; Optical thermometry; UC; Ln3; P; ESA; GSA; ΔEf; Fluorescence intensity ratio; Tm; VPR; GC; Non-thermally coupled levels; UV; Ln; FIR; NPs; TCLs; ΔE; Sensitivity; Thermally coupled levels; NIR; IVCT; DC

The development of current technology imposes more and more requirements for measurement techniques, where one of the most important is temperature measurement. In recent years, non-contact optical thermometry based on fluorescence intensity ratio (FIR) technique has received tremendous attention in...