An optical fiber sensor for the simultaneous measurement of pressure and position based on a pair of fiber Bragg gratings

Wang Bo-yuan; Cai Lu; Zhao Yong

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An optical fiber sensor for the simultaneous measurement of pressure and position based on a pair of fiber Bragg gratings

机译：An optical fiber sensor for the simultaneous measurement of pressure and position based on a pair of fiber Bragg gratings

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摘要

In this study, an optical fiber sensor for the simultaneous measurement of pressure and position based on a pair of fiber Bragg gratings (FBG) in a clamped beam is proposed. The FBG pair are pasted on a one-meter-long beam, and the pasted position is at 20 cm and 80 cm. The pressure and the position information applied at any point of the beam could be obtained through the wavelength shift of the FBG pair. The experimental results show that in the pressure range of 0 to 40 N, the maximum pressure sensitivity of the sensor is 54 pm/N. In the position range of 20 to 80 cm, the minimum error of position detection is 0.38 cm. The proposed sensor has the advantages of good stability, high sensitivity, simple manufacturing process, and low cost.

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来源
《Optical fiber technology》 |2021年第12期|102742.1-102742.7|共7页
作者
Wang Bo-yuan; Cai Lu; Zhao Yong;
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作者单位

Northeastern Univ;

Northeastern Univ||Hebei Key Lab Micronano Precis Opt Sensing & Meas;

Northeastern Univ||Hebei Key Lab Micronano Precis Opt Sensing & Meas||Northeastern Univ;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
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关键词
Clamped beam; FBG pair; Pressure value; Pressure position; Optical fiber sensor;

An optical fiber sensor for the simultaneous measurement of pressure and position based on a pair of fiber Bragg gratings

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