Hybrid Raman/fiber Bragg grating sensor for distributed temperature and discrete dynamic strain measurements

Iacopo Toccafondo; Mohammad Taki; Alessandro SignoriniFarhan ZaidiTiziano NannipieriStefano FaralliFabrizio Di Pasquale

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Hybrid Raman/fiber Bragg grating sensor for distributed temperature and discrete dynamic strain measurements

机译：混合拉曼/光纤布拉格光栅传感器，用于分布式温度和离散动态应变测量

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We propose and experimentally demonstrate a hybrid fiber optic sensing technique that effectively combines Raman optical time domain reflectometry and in-line time-division-multiplexing for fiber Bragg grating (FBG) dynamic interrogation. The highly integrated proposed scheme employs broadband apodized low reflectivity FBGs with a single narrowband optical source and a shared receiver block, allowing for simultaneous measurements of distributed static temperature and discrete dynamic strain, over the same sensing fiber.

机译：我们提出并实验演示了一种混合光纤传感技术，该技术有效地结合了拉曼光时域反射法和在线时分复用，用于光纤布拉格光栅（FBG）动态询问。该高度集成的方案采用宽带切趾低反射率光纤光栅，具有单个窄带光源和共享接收器模块，允许在同一根传感光纤上同时测量分布式静态温度和离散动态应变。

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来源
《Optics Letters》 |2012年第21期|4434-4436|共3页
作者
Iacopo Toccafondo; Mohammad Taki; Alessandro SignoriniFarhan ZaidiTiziano NannipieriStefano FaralliFabrizio Di Pasquale;
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Scuola Superiore Sant'Anna, via G. Moruzzi 1, Pisa 56124, Italy;

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正文语种英语
中图分类计量学;
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1. Simultaneous measurement of strain and temperature using interferometrically interrogated fiber Bragg grating sensors [J] . L. A. Ferreira, Francisco M. Araujo, Jose L. SantosFaramarz Farahi Optical Engineering . 2000,第8期

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2. In search of multipeaked reflective spectrum with optic fiber Bragg grating sensor for dynamic strain measurement [J] . Hsiang Tai Optical Engineering . 2007,第10期

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机译：Dynamic Strain Measurement with Fiber Bragg Grating Sensor System for Smart Structure
4. RESEARCH ON THE TEMPERATURE COMPENSATION TECHNOLOGY OF QUASI-DISTRIBUTED FIBER BRAGG GRATING [C] . Huijuan Dong, Shaopeng Yang, Jun He, ASME Conference on Information Storage and Processing Systems . 2013

机译：RESEARCH ON THE TEMPERATURE COMPENSATION TECHNOLOGY OF QUASI-DISTRIBUTED FIBER BRAGG GRATING
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机译：The application of fiber Bragg grating sensor to high precision temperature measurement 基于光纤光栅的高精度测温传感器研究

Hybrid Raman/fiber Bragg grating sensor for distributed temperature and discrete dynamic strain measurements

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