CO2 laser-inscribed low-cost, shortest-period long-period fibre grating in Ba€“Ge co-doped fibre for high-sensitivity strain measurement

Jai Kishore; S M Oak; Sanjay Kher; Smita Chaubey1

首页> 外文期刊>Pramana >CO2 laser-inscribed low-cost, shortest-period long-period fibre grating in Ba€“Ge co-doped fibre for high-sensitivity strain measurement

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CO2 laser-inscribed low-cost, shortest-period long-period fibre grating in Ba€“Ge co-doped fibre for high-sensitivity strain measurement

机译：钡锗共掺杂光纤中的CO2激光刻划的低成本，最短周期的长周期光纤光栅，用于高灵敏度应变测量

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We have developed high sensitivity long-period fibre gratings (LPGs) in Ba€“Ge codoped fibre for strain sensing application. These LPGs are shortest grating period (180 e???m) LPGs inscribed in Ba€“Ge co-doped fibre using CO2 laser-based grating inscription set-up. Strain sensitivity of 1.77 dB/m?μ has been obtained for attenuation band corresponding to the turnaround point mode. TAP operation of LPG facilitates intensity-based detection using simple optical power meter instead of wavelength-based detection.

机译：我们已经在BaGe共掺杂光纤中开发了用于应变传感应用的高灵敏度长周期光纤光栅（LPG）。这些液化石油气是最短的光栅周期（180 e？m）LPG，采用基于CO2激光的光栅刻写装置刻在Ba coGe共掺杂光纤中。对于与转折点模式相对应的衰减带，已获得1.77 dB / m？μ的应变灵敏度。 LPG的TAP操作使用简单的光功率计代替基于波长的检测，有助于基于强度的检测。

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《Pramana》 |2014年第2期|共页
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Jai Kishore; S M Oak; Sanjay Kher; Smita Chaubey1;
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1. Fibre optic load sensors with high transverse strain sensitivity based on long-period gratings in B/Ge co-doped fibre [J] . Liu Y., Zhang L. Electronics Letters . 1999,第8期

机译：基于B / Ge共掺杂光纤中的长周期光栅的高横向应变敏感性光纤负载传感器
2. Simultaneous measurement of temperature and strain based on arc-induced long-period fibre gratings [J] . Rego G., Marques P.V.S., Salgado H.M., Electronics Letters . 2005,第2期

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3. Calibration of a Load Measurement System for an Unmanned Aircraft Composite Wing Based on Fibre Bragg Gratings and Electrical Strain Gauges [J] . ?ukasz ?wi?ch Aerospace . 2020,第3期

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4. Combined fluorescence and grating-based technique for wider range strain-temperature simultaneous measurement using Sb-Er doped fibre [C] . Suchandan Pal, Yonghang Shen, Jharna Mandal, European Workshop on Optical Fibre Sensors . 2004

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6. Strain Measurements of Composite Laminates with Embedded Fibre Bragg Gratings: Criticism and Opportunities for Research [O] . Geert Luyckx, Eli Voet, Nicolas Lammens, 2011

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7. Optical biochemical sensors based on long-period fibre gratings UV-inscribed in D-fibre with enhanced sensitivity by HF etching process [O] . Chen, Xianfeng, Zhou, Kaiming, Zhang, Lin, 2004

机译：基于长周期光纤光栅的光学生化传感器，紫外光栅刻在D光纤中，通过HF蚀刻工艺提高了灵敏度

CO2 laser-inscribed low-cost, shortest-period long-period fibre grating in Ba€“Ge co-doped fibre for high-sensitivity strain measurement

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