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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >The characteristic analysis of temperature sensor based on a fabricated microstructure fiber by digital image processing technique and finite element method
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The characteristic analysis of temperature sensor based on a fabricated microstructure fiber by digital image processing technique and finite element method

机译:基于制造的微观结构纤维的温度传感器的特性分析通过数字图像处理技术和有限元方法

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摘要

A temperature sensor based on a Sagnac interferometer by the actual microstructure fiber (MSF) selectively filled with ethanol has been designed in this paper. We obtained the vectorized cross-section of MSF using the method of the digital image processing technique and the finite element method. This method can model the actual cross section structure of MSF rapidly by gray scale processing, filtering, threshold, and edge detection and be applied to the calculation and simulation of the actual MSF perfectly. The air holes on both sides of the core were filled with ethanol to improve the birefringence of the MSF. The simulation result showed that the dip wavelength in transmission spectrum has a blue-shift when the temperature increasing. The average sensitivity can be up to 1 nm degrees C-1 as the temperature rises from 25 degrees C to 75 degrees C. It can be tested in a wide temperature range, which plays a profound role in practical application.
机译:本文设计了基于实际微观结构纤维(MSF)基于SAGNAC干涉仪的温度传感器,本文设计了乙醇的实际微观结构纤维(MSF)。 我们使用数字图像处理技术的方法和有限元方法获得了MSF的矢量化横截面。 该方法可以通过灰度处理,滤波,阈值和边缘检测快速模拟MSF的实际横截面结构,并将其应用于实际MSF的计算和仿真。 核心两侧的空气孔填充乙醇以改善MSF的双折射。 模拟结果表明,当温度升高时,透射光谱中的倾向波长具有蓝色偏移。 随着温度从25摄氏度升高至75摄氏度,平均灵敏度可以高达1nm℃-1。它可以在宽温度范围内进行测试,这在实际应用中起着深刻作用。

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