研究目的
To design a temperature sensor utilizing a novel tellurite photonic crystal fiber (PCF) with improved sensitivity by filling alcohol in the air holes of the tellurite PCF, based on the degenerate four-wave mixing theory for temperature sensing in the mid-infrared region (MIR).
研究成果
The designed temperature sensor achieves a high sensitivity of 0.70 nm/°C at a pump wavelength of 3550 nm in the MIR, demonstrating the efficiency of FWM in a tellurite PCF for temperature sensing. This sensor has potential applications in fields such as fingerprint unlocking and body radiation photosensitive systems.
研究不足
The study is limited to theoretical simulation and analysis due to experimental conditions, focusing on the development of MIR optical sensing devices.
1：Experimental Design and Method Selection:
The study involves designing a tellurite PCF temperature sensor based on FWM theory, optimizing fiber parameters for MIR temperature sensing.
2：Sample Selection and Data Sources:
The tellurite PCF consists of TeO2-ZnO-Na2O-P2O5 (TZNP) for the cladding and TeO2-LiO2-WO3-MoO3-Nb2O5 (TLWMN) for the fiber core and rods.
3：List of Experimental Equipment and Materials:
The study uses Mode Solution software for fiber structure design and MATLAB software for sensitivity calculation.
4：Experimental Procedures and Operational Workflow:
The fiber parameters are optimized, and the structure is designed to be solid except for three adjacent holes filled with alcohol. Temperature sensing is realized by detecting the wavelength drift of signal and idler waves.
5：Data Analysis Methods:
The sensitivity of the temperature sensor is calculated using MATLAB software programming.
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