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首页> 外文期刊>Japanese journal of applied physics >Acoustooptic Device Applied to Strain Sensing System with Compensated Temperature Characteristics
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Acoustooptic Device Applied to Strain Sensing System with Compensated Temperature Characteristics

机译:具有补偿温度特性的声光装置应用于应变传感系统

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摘要

We report the application of an acoustooptic tunable filter (AOTF) to the wavelength monitor in a fiber-optic sensing system with fiber Bragg gratings (FBGs). The system requires good temperature characteristics. A system with good temperature characteristics has been realized using two light wavelengths as references. The accuracy of the measured wavelength was approximately 0.63 pm in the temperature range of the AOTF device from -20 to 70℃. This accuracy corresponds to strain of about 10~(-6).
机译:我们报告了声光可调滤波器(AOTF)在带有光纤布拉格光栅(FBGs)的光纤传感系统中的波长监控器中的应用。该系统需要良好的温度特性。使用两个光波长作为参考,已经实现了具有良好温度特性的系统。在20至70℃的AOTF装置的温度范围内,测得的波长精度约为0.63 pm。该精度对应于约10〜(-6)的应变。

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