Author

L. Marciniak

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Preprint Sep 2026

Multimodal Visual Sensing of Temperature and Pressure: From Spectroscopic Readout to Multiple Linear Regression-Enhanced RGB Analysis

Transforming a single luminescent host into distinct temperature- and pressure-sensing systems through composition control provides a powerful route toward multifunctional optical sensors. Here, we introduce a concentration-tunable KGaGeO4:Bi3+,Eu3+ platform whose sensing function can be selectively directed toward the...

M. Szymczak, Yu-Fan Meng, Guanjun Xiao et al. · 0 citations

Preprint Sep 2026

Multiple Linear Regression-Enhanced RGB-based Luminescence Thermometry for High-sensitivity Thermal Readout

The practical implementation of phosphors for luminescence-based thermal sensing and imaging requires simple, user-friendly approaches that enable convenient and sensitive temperature readout. To the best of our knowledge, this is the first demonstration of combining RGB-based thermal imaging using a conventional digit...

Y. Abe, M. Szymczak, M. Hernández-Rodríguez et al. · 0 citations

Aug 2026

Yb3+ Luminescence Thermometry Revived: Full‐Spectrum Machine Learning for Sub‐Kelvin Accuracy and Precision

In this manuscript, we redefine the operational limits of Yb3+‐based near‐infrared luminescence thermometry. Using Ce3+/Yb3+ co‐doped Y3Al5O12 (YAG) nanoparticles, we established a full‐spectrum, data‐driven thermometric framework that transcends the constraints of the conventional Boltzmann‐based luminescence intensit...

J. Periša, Z. Ristić, L. Marciniak et al. · Advanced Optical Materials · 0 citations