陶瓷基耐高温光纤传感器技术研究进展

Research progress on ceramic-based high-temperature resistant fiber-optic sensor technology

  • 摘要: 耐高温传感器技术是航空发动机、石油化工等极端环境下测试与状态监测的关键技术。碳化硅(silicon carbide, SiC)、蓝宝石等陶瓷基光纤传感器具有优异的高温力学性能,基于光学传感原理,可在极端高温环境中实现稳定且高精度的传感监测。本文从耐高温光纤传感器的基本架构、陶瓷敏感结构的微纳加工、封装原理与方法以及光纤端部陶瓷微结构的增材制造四个方面,深入分析国内外研究进展,并探讨陶瓷基耐高温光纤传感器技术的现存问题及未来发展路径。

     

    Abstract: High-temperature resistant sensor technology is essential for testing and condition monitoring in extreme environments, such as those encountered in aero engines and petrochemical industries. Ceramic-based optical fiber sensors, manufactured from materials like SiC and sapphire, demonstrate exceptional mechanical performance at elevated temperatures. By utilizing optical sensing principles, these sensors can provide stable and highly precise monitoring even under extreme high-temperature conditions. This paper presents a comprehensive review of recent domestic and international advancements in the field, focusing on four critical aspects: the fundamental architecture of high-temperature resistant optical fiber sensors, micronano-scale processing of ceramic sensing structures, packaging principles and methodologies, and additive manufacturing techniques for ceramic microstructures at fiber terminations. Additionally, it critically analyzes current technical challenges and explores potential future directions for ceramic-based optical fiber sensor technology in high-temperature applications.

     

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