交联型光敏聚合物的全息光学压力传感性能研究
Study on Holographic Optical Pressure Sensing Performance of Cross-Linked Photosensitive Polymers
DOI: 10.12677/JSTA.2023.113034, PDF,    科研立项经费支持
作者: 刘 亮*：碧水源分离膜科技有限公司，北京；魏明昭, 刘鸿鹏：中国民航大学理学院物理系，天津
关键词: 光致聚合物；全息传感器；压力传感；体光栅； Photopolymer； Holographic Sensor； Pressure Sensor； Volume Grating
摘要: 本文制备了菲醌(PQ)掺杂聚甲基丙烯酸甲酯与甲基丙烯酸月桂酯共聚基底(MMA-co-LMA)光敏聚合物，这是一种具有弹性恢复能力的交联型聚合物材料。实验研究了新型聚合物的全息性能，测量了短曝光条件下全息光栅衍射效率随时间的演变。改变MMA共聚单体分子的掺杂率作为主要参数来评价全息性能的提高，实验结果表明MMA的最佳质量百分比为7.5wt%，衍射效率的最大值可以达到55%。应用该新型材料采用全息干涉方式记录全息体光栅，并将其作为传感响应单元进行压力传感测试，实验证明了以该材料研制全息压力传感器的可行性及应用潜力。本文研究的全息性能优化与压力传感实验结果为开发全息压力传感器提供了重要的实验基础。
Abstract: This article prepared a photosensitive polymer based on poly (methyl methacrylate) and laury l methacrylate copolymer (MMA co LMA) doped with phenanthraquinone (PQ), which is a cross- linked polymer material with elastic recovery ability. The holographic performance of the novel polymer was experimentally studied, and the evolution of holographic grating diffraction efficiency over time was measured un-der short exposure conditions. The improvement of holographic performance was evaluated by changing the doping rate of MMA comonomer molecules as the main parameter. The experimental results showed that the optimal mass percentage of MMA was 7.5wt%, and the maximum diffrac-tion efficiency could reach 55%. The application of this new material uses holographic interferome-try to record holographic volume gratings, and uses them as sensing response units for pressure sensing testing. The experiment proves the feasibility and application potential of developing holo-graphic pressure sensors using this material. The holographic performance optimization and pres-sure sensing experimental results studied in this article provide an important experimental basis for the development of holographic pressure sensors.
文章引用：刘亮, 魏明昭, 刘鸿鹏. 交联型光敏聚合物的全息光学压力传感性能研究[J]. 传感器技术与应用, 2023, 11(3): 301-308. https://doi.org/10.12677/JSTA.2023.113034

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