Multimode-Coreless-Multimode Fiber-Based Sensors: Theoretical and Experimental Study

Noe San Fabian; Abian B. Socorro-Leranoz; Ignacio Del Villar; Silvia Diaz; Ignacio R. Matias

doi:10.1109/JLT.2019.2921609

Multimode-Coreless-Multimode Fiber-Based Sensors: Theoretical and Experimental Study

Noe San Fabian
, Abian B. Socorro-Leranoz^*
, Ignacio Del Villar
, Silvia Diaz
, Ignacio R. Matias

^*Corresponding author for this work

Public University of Navarre

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

This paper presents a complete study on the spectral behavior of a multimode-coreless-multimode fiber-optic structure, as well as its application as a refractometer and a liquid level sensor. The combination of two standard multimode fibers fused to a coreless fiber segment allows generating narrow interferometric bands in the optical spectrum, whose sensitivity can be improved by an adequate selection of the dimensions of the device (the coreless segment length and the diameter of the sensing area). A second way to improve the performance of the device is to deposit a thin film of SnO₂, which allows increasing the sensitivity up to 314 nm/RIU. This widens the number of applications where this structure can be used. As an example, a liquid level sensor with 0.73 nm/mm sensitivity is presented.

Original language	English
Article number	8733026
Pages (from-to)	3844-3850
Number of pages	7
Journal	Journal of Lightwave Technology
Volume	37
Issue number	15
DOIs	https://doi.org/10.1109/JLT.2019.2921609
Publication status	Published - 1 Aug 2019
Externally published	Yes

Keywords

Interferometer
multimode-coreless-multimode (MCM)
optical fiber sensor
refractive index
refractometer
water level sensor

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10.1109/JLT.2019.2921609

Cite this

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title = "Multimode-Coreless-Multimode Fiber-Based Sensors: Theoretical and Experimental Study",

abstract = "This paper presents a complete study on the spectral behavior of a multimode-coreless-multimode fiber-optic structure, as well as its application as a refractometer and a liquid level sensor. The combination of two standard multimode fibers fused to a coreless fiber segment allows generating narrow interferometric bands in the optical spectrum, whose sensitivity can be improved by an adequate selection of the dimensions of the device (the coreless segment length and the diameter of the sensing area). A second way to improve the performance of the device is to deposit a thin film of SnO2, which allows increasing the sensitivity up to 314 nm/RIU. This widens the number of applications where this structure can be used. As an example, a liquid level sensor with 0.73 nm/mm sensitivity is presented.",

keywords = "Interferometer, multimode-coreless-multimode (MCM), optical fiber sensor, refractive index, refractometer, water level sensor",

author = "Fabian, \{Noe San\} and Socorro-Leranoz, \{Abian B.\} and Villar, \{Ignacio Del\} and Silvia Diaz and Matias, \{Ignacio R.\}",

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year = "2019",

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doi = "10.1109/JLT.2019.2921609",

language = "English",

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pages = "3844--3850",

journal = "Journal of Lightwave Technology",

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T2 - Theoretical and Experimental Study

AU - Fabian, Noe San

AU - Socorro-Leranoz, Abian B.

AU - Villar, Ignacio Del

AU - Diaz, Silvia

AU - Matias, Ignacio R.

PY - 2019/8/1

Y1 - 2019/8/1

N2 - This paper presents a complete study on the spectral behavior of a multimode-coreless-multimode fiber-optic structure, as well as its application as a refractometer and a liquid level sensor. The combination of two standard multimode fibers fused to a coreless fiber segment allows generating narrow interferometric bands in the optical spectrum, whose sensitivity can be improved by an adequate selection of the dimensions of the device (the coreless segment length and the diameter of the sensing area). A second way to improve the performance of the device is to deposit a thin film of SnO2, which allows increasing the sensitivity up to 314 nm/RIU. This widens the number of applications where this structure can be used. As an example, a liquid level sensor with 0.73 nm/mm sensitivity is presented.

AB - This paper presents a complete study on the spectral behavior of a multimode-coreless-multimode fiber-optic structure, as well as its application as a refractometer and a liquid level sensor. The combination of two standard multimode fibers fused to a coreless fiber segment allows generating narrow interferometric bands in the optical spectrum, whose sensitivity can be improved by an adequate selection of the dimensions of the device (the coreless segment length and the diameter of the sensing area). A second way to improve the performance of the device is to deposit a thin film of SnO2, which allows increasing the sensitivity up to 314 nm/RIU. This widens the number of applications where this structure can be used. As an example, a liquid level sensor with 0.73 nm/mm sensitivity is presented.

KW - Interferometer

KW - multimode-coreless-multimode (MCM)

KW - optical fiber sensor

KW - refractive index

KW - refractometer

KW - water level sensor

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ER -

Multimode-Coreless-Multimode Fiber-Based Sensors: Theoretical and Experimental Study

Abstract

Keywords

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