蓝宝石光纤高温Fabry-Perot传感器综述

Review of Sapphire Fiber High Temperature Fabry-Perot Sensor

蓝宝石为晶体材料,其熔点为2045℃,具有高强度、高耐热性、高抗腐蚀性等良好的高温物理化学性能。单晶蓝宝石光纤可以在高于1000℃的超高温下传输光信号,基于其制作的蓝宝石光纤法布里-珀罗(Fabry-Perot,F-P)传感器耐超高温、本征安全,适用于危险、恶劣的环境中,近年来,得到广泛研究,已研制出用于超高温环境的蓝宝石光纤温度、压力、振动传感器。文章综述了蓝宝石光纤F-P传感器的研究进展,介绍了课题组在蓝宝石光纤传感技术方面的研究成果,最后对传感器的研制提出了改进建议。

Sapphire is a crystal material with a melting point of 2045℃.It has excellent high-temperature physical and chemical properties such as high strength,high heat resistance,and high corrosion resistance.The single crystal sapphire fiber can transmit optical signals in the ultra-high temperature environment over 1000℃.Optical fiber Fabry-Perot(F-P)sensors based on sapphire fiber is resistant to ultra-high temperature and intrinsically safe,and can be used in dangerous and harsh environments.In recent years,many scholars have carried out related research and developed sapphire fiber sensors for the measurement of temperature,pressure and vibration in ultra-high temperature environments.In this paper,the research progress of sapphire fiber F-P sensor was reviewed,and the work done by the optical fiber sensing and measurement technology research team of the school of optics and photonics of Beijing institute of technology on sapphire fiber sensing technology was introduced.Finally,the author analyzeed and summarized the research of sapphire fiber F-P sensor and give an outlook on its development trend.