journal article·2025-09Open access

Flexible Optical Fiber Stress/Temperature Dual‐Mode Sensing Based on CaZnOS:Nd,Er

Pan Zheng, Yao Xiao, Puxian Xiong, Sijie Su, Anping Yang, Xuesong Wang, Shengbin Xu, Peishan Shao, Zhiyao Zhou, Sheng Wu, Enhai Song, Jiulin Gan, Dongdan Chen

Advanced Functional Materials· Volume 35· Issue 38

Abstract

Abstract Mechanoluminescence (ML) and upconversion luminescence (UCL) materials exhibit significant potential in advanced optical sensing applications. However, single‐function luminescent materials often fail to meet the increased complexity and precision demands of modern application scenarios. Here, flexible optical fiber based on ML and UCL dual‐mode luminescence is demonstrated in Ca/SrZnOS: Nd 3+ , Er 3+ , which can be integrated into potential dual‐mode stress and temperature sensing devices. After 4200 cycles of 2 N load, the ML intensity remaines at ≈67% of its initial value. Additionally, such device has a temperature sensitivity of 1.423% K −1 at 273.15 K, with a detection accuracy of 1.1990 °C. The device maintained excellent cycling stability over a broad temperature range (0–80 °C), as evidenced by the unchanged FIR values after 10 cycles. The device demonstrates potential applications in remote stress and temperature monitoring, particularly in high‐temperature, high‐pressure, or hazardous environments, where optical fiber transmission ensures both safety and accuracy.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Gas Sensing Nanomaterials and Sensors · Electronic and Structural Properties of Oxides · Photoacoustic and Ultrasonic Imaging

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Luminescent Materials and Devices Institute of Optical Communication Materials Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques South China University of Technology Guangzhou 510640 China

Department of Electrical and Electronic Engineering The University of Hong Kong Hong Kong 999077 China

Guangdong Basic Research Center of Excellence for Structure and Fundamental Interactions of Matter Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials Guangdong‐Hong Kong Joint Laboratory of Quantum Matter Frontier Research Institute for Physics School of Physics South China Normal University Guangzhou 510006 China

Funding

National Natural Science Foundation of China · Basic and Applied Basic Research Foundation of Guangdong Province

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