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采用温敏聚合物的顺序双层涂覆法用于先进光纤温度传感器。

Sequential Dual Coating with Thermosensitive Polymers for Advanced Fiber Optic Temperature Sensors.

机构信息

Department of Chemical and Biological Engineering, Gachon University, Seongnam-si 13120, Gyeonggi-do, Republic of Korea.

出版信息

Sensors (Basel). 2023 Mar 7;23(6):2898. doi: 10.3390/s23062898.

DOI:10.3390/s23062898
PMID:36991608
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10059878/
Abstract

We systematically designed dual polymer Fabry-Perrot interferometer (DPFPI) sensors, which were used to achieve highly sensitive temperature sensors. The designed and fabricated DPFPI has a dual polymer coating layer consisting of thermosensitive poly (methyl methacrylate) (PMMA) and polycarbonate (PC) polymers. Four different DPFPI sensors were developed, in which different coating optical path lengths and the resultant optical properties were generated by the Vernier effect, changing the sequence of the applied polymers and varying the concentration of the coating solutions. The experimental results confirmed that the PC_PMMA_S1 DPFPI sensor delivered a temperature sensitivity of 1238.7 pm °C, which was approximately 4.4- and 1.4-fold higher than that of the PMMA and PMMA_PC_S1-coated sensor, respectively. Thus, the results reveal that the coating sequence, the compact thickness of the dual polymer layers, and the resultant optical parameters are accountable for achieving sensors with high sensitivity. In the PC_ PMMA-coated sensor, the PMMA outer layer has comparatively better optical properties than the PC, which might produce synergistic effects that create a large wavelength shift with small temperature deviations. Therefore, it is considered that the extensive results with the PC_PMMA_S1 DPFPI sensor validate the efficacy, repeatability, reliability, quick reaction, feasibility, and precision of the temperature readings.

摘要

我们系统地设计了双聚合物法布里-珀罗干涉仪（DPFPI）传感器，用于实现高灵敏度的温度传感器。设计和制造的 DPFPI 具有由热敏聚甲基丙烯酸甲酯（PMMA）和聚碳酸酯（PC）聚合物组成的双聚合物涂层。开发了四个不同的 DPFPI 传感器，其中通过游标效应产生不同的涂层光程长度和相应的光学特性，改变施加聚合物的顺序并改变涂层溶液的浓度。实验结果证实，PC_PMMA_S1 DPFPI 传感器的温度灵敏度为 1238.7 pm °C，分别约为 PMMA 和 PMMA_PC_S1 涂层传感器的 4.4 倍和 1.4 倍。因此，结果表明涂层顺序、双聚合物层的紧密厚度以及产生的光学参数是实现高灵敏度传感器的原因。在 PC_PMMA 涂层传感器中，PMMA 外层具有比 PC 更好的光学性能，这可能会产生协同效应，从而在较小的温度偏差下产生较大的波长移动。因此，可以认为 PC_PMMA_S1 DPFPI 传感器的广泛结果验证了温度读数的有效性、可重复性、可靠性、快速反应、可行性和精度。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/cce2cb208460/sensors-23-02898-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/8e5e28cc2eab/sensors-23-02898-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/03c88bc1d5ef/sensors-23-02898-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/02ffead2a20a/sensors-23-02898-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/0efa7613f013/sensors-23-02898-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/39c306e75be5/sensors-23-02898-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/7423b251d961/sensors-23-02898-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/1b8176a597d5/sensors-23-02898-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/6ca8272a8a1c/sensors-23-02898-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/cce2cb208460/sensors-23-02898-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/8e5e28cc2eab/sensors-23-02898-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/03c88bc1d5ef/sensors-23-02898-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/02ffead2a20a/sensors-23-02898-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/0efa7613f013/sensors-23-02898-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/39c306e75be5/sensors-23-02898-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/7423b251d961/sensors-23-02898-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/1b8176a597d5/sensors-23-02898-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/6ca8272a8a1c/sensors-23-02898-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7e0/10059878/cce2cb208460/sensors-23-02898-g009.jpg

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