应用FBG监测HPM辐照下吸波材料的温度
The Temperature Monitor of Wave-absorbing Materials Radiated by
HPM with FBG
摘要 在高功率微波(HPM)辐照下,吸波材料会有明显的升温效应。利用光纤布拉格光栅(FBG)对某蜂窝吸波材料表面的温度变化进行了多点实时监测,得到了该材料在HPM辐照下表面温度的变化特性。这种测试方法可以进一步推广到强电磁环境下材料的其它参数的实时监测中。
关键词 光纤布拉格光栅; 高功率微波; 吸波材料; 温度监测
Abstract Fiber Bragg Grating (FBG) has many unique advantages, such as small size,
light weight, flexibility, immunity to the radiation, and especially suitable for the
application in strong electromagnetic environment. As we know, radiated by HPM, the
temperature of wave-absorbing materials will rise significantly. In this paper, we apply
FBG to monitor the multipoint temperatures on the surface of one microwave absorbing
material,which is radiated by High Power Microwave (HPM).This technology can also be
extended to other real-time monitoring in the circumstance of strong
electromagnetic.
Keywords fiber Bragg grating; high power microwave;microwave absorbing
materials;temperature monitoring
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