&lt;title&gt;In-line coherence multiplexing of displacement sensors: a fiber optic extensometer&lt;/title&gt;

Inaudi, Daniele; Vurpillot, Samuel; LLoret, Sandra

doi:10.1117/12.240866

Cited by 20 publications

(8 citation statements)

References 10 publications

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“…Despite this merit, to date commercial interferometric sensors do not feature in-line multiplexing, although this possibility was investigated theoretically by Inaudi et al [34] as from 1998. In this paper, we present the development and laboratory validation of in-line multiplexing for a SOFO standard deformation sensor.…”

Section: Introductionmentioning

confidence: 95%

Development and laboratory validation of in-line multiplexed low-coherence interferometric sensors

Pozzi

Zonta

et al. 2008

Optical Fiber Technology

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Section: Introductionmentioning

confidence: 95%

Development and laboratory validation of in-line multiplexed low-coherence interferometric sensors

Pozzi

Zonta

et al. 2008

Optical Fiber Technology

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“…Valeria Gusmeroli 12 reported a low-coherence, polarimetric sensors array multiplexed on a fiber line. W. V. Sorin and D. M. Baney 13 and D. Inaudi et al 14 further developed and simplified the quasidistributed, low-coherence, fiber-optic sensor array based on the Michelson interferometer.…”

Section: Introductionmentioning

confidence: 99%

Design of a fiber-optic quasi-distributed strain sensors ring network based on a white-light interferometric multiplexing technique

Yuan¹,

Zhou²,

Jin³

2002

Appl. Opt.

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A fiber-optic quasi-distributed strain sensors ring network has been designed based on a Mach-Zehnder optical paths interrogator. The optical paths matching for each sensor are discussed, and the optical power budgetary analysis is performed. The relation between the number of sensors and the intensity of the signals of the ring network is given for evaluation of the multiplexing capacity. Experimentally, a seven-sensor array ring network was realized under the condition of light source power 35 W at 1310 nm, and the distribution strain test was also demonstrated.

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“…As a result, the optical path differences of the SI must differ so the sensing signal can be de-multiplexed by selecting its optical path difference in the local receiving interferometer. CDM systems have been widely used in fiber optic sensing applications, multiplexing up to 10 sensors in [160] and measuring physical parameters such as temperature, displacement and strain [161][162][163].…”

Section: Km Remote System Based On a Flmmentioning

confidence: 99%

Truly remote fiber optic sensor networks

Soto

López-Amo

2019

J. Phys. Photonics

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An overview of truly remote fiber optic sensors is presented in this work. It starts with a brief introduction of fiber optic sensor networks, showing their advantages and multiple applications. Then, the definition of truly remote networks is provided, and their main challenges discussed, such as increasing the sensing distance and the number of sensors interrogated. Several multiplexing techniques have been compared, such as wavelength, time and coherence division multiplexing. In relation to this, the most recent works showing multi wavelength fiber lasers for wavelength division multiplexing have been grouped and their versatility analyzed. Finally, recent and relevant truly remote fiber optic networks have been gathered and some of the most representative schemes explained in detail, comparing their multiplexing capability and the remoteness of the monitored sensors. Random distributed feedback fiber lasers form part of a number of these schemes, proving the suitability of this type of lasers for their use in ultra-long truly remote sensing applications.

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<title>In-line coherence multiplexing of displacement sensors: a fiber optic extensometer</title>

Cited by 20 publications

References 10 publications

Development and laboratory validation of in-line multiplexed low-coherence interferometric sensors

Development and laboratory validation of in-line multiplexed low-coherence interferometric sensors

Design of a fiber-optic quasi-distributed strain sensors ring network based on a white-light interferometric multiplexing technique

Truly remote fiber optic sensor networks

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