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基于光纤光栅的射频开关簧片温度测试研究
投稿时间:2020-07-13  修订日期:2020-07-22  点此下载全文
引用本文:郭洪龙.基于光纤光栅的射频开关簧片温度测试研究[J].红外,2020,41(10):25~32
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作者单位E-mail
郭洪龙 中电科仪器仪表有限公司 guohonglong@tju.edu.cn 
中文摘要:对基于光纤光栅测温原理的射频同轴开关内部簧片温度检测进行了研究。使用聚酰亚胺涂覆的光纤光栅,经温度校准后,外界温度与光纤光栅中心波长拟合直线的线性度为99.914%。温度每上升1℃,中心波长漂移10.39pm。将校准的光纤光栅置于射频开关簧片处进行测温试验,算得射频开关内部温度升温到300℃,理论上中心波长的偏移误差为0.02 nm,相应温度重复测试误差为2℃。结果表明,该研究可为射频同轴开关内部簧片温度检测提供有效方法。
中文关键词:光纤光栅  射频同轴开关  温度测量
 
Research on the fiber grating temperature Detection of the reed in the RF coaxial Switch
Abstract:Carry out the temperature measurement research of the internal reed of the RF coaxial switch based on the principle of fiber grating temperature measurement. The fiber grating is coated with polyimide. After temperature calibration, The linearity of the fitting straight line using the outside temperature to the center wavelength of the fiber grating is 99.914%. The center wavelength drifts 10.39pm with the temperature rises by 1 ℃. Place the calibrated fiber grating at the RF switch reed for temperature measurement. It is calculated that When the internal temperature of the RF switch is raised to 300 ° C, the theoretical center wavelength deviation error is 0.02nm, the corresponding temperature repeated measurement error is 2 ℃. So it provides an effective method for the temperature measurement of the internal reed of the RF coaxial switch.
keywords:fiber grating the RF coaxial Switch temperature measurement
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