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This review highlights the application potential of luminescence thermometry using intensity ratios for temperature measurement, suggesting improved reliability.
Abstract： In recent years， luminescence thermometry techniques have gained widespread favor among researchers in the field of non-contact temperature measurement， owing to their advantages such as excellent temperature resolu• tion， spatial resolution， high environmental compatibility and rapid response.Among these， the luminescence ther• mometry based on luminescence intensity ratio (LIR) demonstrates significant application potential due to its superi• or interference resistance and inherent self-calibration characteristics.Thermally coupled levels (TCLs) have long served as the core physical mechanism for LIR thermometry， and exceptional universality and reliability have estab• lished TCLs as the prevailing approach in luminescence thermometry.
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Wang et al. (2026) studied this question.
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