Self-Adaptive Polymer Fabry-Pérot Thermometer for High-Sensitivity and Wide-Linear-Range Sensing.

Yifan Cheng, Maolin Yu, Junjie Liu, Yingling Tan, Jinhui Chen

Abstract read

In one paragraph

Article in Biosensors, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed

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1 · What the graph read from it

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2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Yifan ChengSchool of Electronic Science and Engineering, Xiamen University, Xiamen 361005, China.

Maolin YuSchool of Electronic Science and Engineering, Xiamen University, Xiamen 361005, China.

Junjie LiuSchool of Electronic Science and Engineering, Xiamen University, Xiamen 361005, China.

Yingling TanSchool of Electronic Science and Engineering, Xiamen University, Xiamen 361005, China.

Jinhui ChenSchool of Electronic Science and Engineering, Xiamen University, Xiamen 361005, China.ORCID 0000-0003-4766-2784

Funding

Fujian Provincial Natural Science Foundation of China 2023J06011, 2022J01064National Natural Science Foundation of China 12274357Shenzhen Science and Technology Program JCYJ20240813145614019

6 · The paper itself

Abstract

Fiber-optic temperature sensors with advantages such as simplicity, low cost, and high sensitivity have attracted increasing attention. In this work, we propose a self-adaptive polymer Fabry-Pérot interferometer (PFPI) sensor for ultrasensitive and wide-linear-range thermal sensing. This design achieves a temperature sensitivity of 0.95 nm/°C, representing an enhancement of two orders of magnitude compared to conventional fiber Bragg gratings. To address the challenge of spectral shifts exceeding the free spectral range due to the high sensitivity, a local cross-correlation algorithm is introduced for accurate wavelength tracking. We demonstrate ultrahigh-resolution (0.025 °C) scanning thermal field imaging and sensitive human physiological monitoring, including precise body temperature and respiratory rate detection. These results highlight the dual capability of our PFPI sensor for both microscopic thermal mapping and non-invasive healthcare applications.

Indexed as

Biosensing TechniquesInterferometryPolymersThermometersAlgorithmsFiber Optic TechnologyHumansMonitoring, PhysiologicTemperaturePolymerscross-correlation algorithmfiber optic sensorsthermal detectionthermo-optic effect

Identifiers

PMID41002343

DOI10.3390/bios15090602

PMCPMC12467094

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.