Dual tapered optical fiber for simultaneous detection of curvature and strain

J. R. Ek-Ek; D. Jauregui-Vazquez; J. P. Korterik; M. Benedictus; F. Martinez-Pinon; H. L. Offerhaus; J. A. Alvarez-Chavez

doi:10.1016/j.yofte.2022.102843

Dual tapered optical fiber for simultaneous detection of curvature and strain

J. R. Ek-Ek, D. Jauregui-Vazquez, J. P. Korterik, M. Benedictus, F. Martinez-Pinon, H. L. Offerhaus, J. A. Alvarez-Chavez

Centro de Investigación e Innovación Tecnológica (CIITEC)

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

9 Scopus citations

Abstract

We present a study of simultaneous detection of curvature and strain in optical fiber. This contains a micro tapered section and a nano tapered section. The transmission spectrum shows interference of multiple modes, and the frequency of the modulation can be used to distinguish and monitor specific physical parts of the fiber structure. The curvature detection is achieved using one specific modulation frequency component; this component shows an intensity modulation with a sensitivity of 0.26 dB/m⁻¹. The strain information is extracted by applying a phase analysis over a second spatial frequency component; this analysis shows a sensitivity close to 8 mrad/με. The strain phase analysis exhibits a linear response, and the intensity curvature data indicates an exponential model. The proposed signal analysis can be employed for simultaneous detection in optical fiber interferometric sensors.

Original language	English
Article number	102843
Journal	Optical Fiber Technology
Volume	69
DOIs	https://doi.org/10.1016/j.yofte.2022.102843
State	Published - Mar 2022

Keywords

Curvature
Fiber
Sensor
Strain
Taper

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10.1016/j.yofte.2022.102843

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title = "Dual tapered optical fiber for simultaneous detection of curvature and strain",

abstract = "We present a study of simultaneous detection of curvature and strain in optical fiber. This contains a micro tapered section and a nano tapered section. The transmission spectrum shows interference of multiple modes, and the frequency of the modulation can be used to distinguish and monitor specific physical parts of the fiber structure. The curvature detection is achieved using one specific modulation frequency component; this component shows an intensity modulation with a sensitivity of 0.26 dB/m−1. The strain information is extracted by applying a phase analysis over a second spatial frequency component; this analysis shows a sensitivity close to 8 mrad/με. The strain phase analysis exhibits a linear response, and the intensity curvature data indicates an exponential model. The proposed signal analysis can be employed for simultaneous detection in optical fiber interferometric sensors.",

keywords = "Curvature, Fiber, Sensor, Strain, Taper",

author = "Ek-Ek, {J. R.} and D. Jauregui-Vazquez and Korterik, {J. P.} and M. Benedictus and F. Martinez-Pinon and Offerhaus, {H. L.} and Alvarez-Chavez, {J. A.}",

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year = "2022",

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doi = "10.1016/j.yofte.2022.102843",

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TY - JOUR

T1 - Dual tapered optical fiber for simultaneous detection of curvature and strain

AU - Ek-Ek, J. R.

AU - Jauregui-Vazquez, D.

AU - Korterik, J. P.

AU - Benedictus, M.

AU - Martinez-Pinon, F.

AU - Offerhaus, H. L.

AU - Alvarez-Chavez, J. A.

PY - 2022/3

Y1 - 2022/3

N2 - We present a study of simultaneous detection of curvature and strain in optical fiber. This contains a micro tapered section and a nano tapered section. The transmission spectrum shows interference of multiple modes, and the frequency of the modulation can be used to distinguish and monitor specific physical parts of the fiber structure. The curvature detection is achieved using one specific modulation frequency component; this component shows an intensity modulation with a sensitivity of 0.26 dB/m−1. The strain information is extracted by applying a phase analysis over a second spatial frequency component; this analysis shows a sensitivity close to 8 mrad/με. The strain phase analysis exhibits a linear response, and the intensity curvature data indicates an exponential model. The proposed signal analysis can be employed for simultaneous detection in optical fiber interferometric sensors.

AB - We present a study of simultaneous detection of curvature and strain in optical fiber. This contains a micro tapered section and a nano tapered section. The transmission spectrum shows interference of multiple modes, and the frequency of the modulation can be used to distinguish and monitor specific physical parts of the fiber structure. The curvature detection is achieved using one specific modulation frequency component; this component shows an intensity modulation with a sensitivity of 0.26 dB/m−1. The strain information is extracted by applying a phase analysis over a second spatial frequency component; this analysis shows a sensitivity close to 8 mrad/με. The strain phase analysis exhibits a linear response, and the intensity curvature data indicates an exponential model. The proposed signal analysis can be employed for simultaneous detection in optical fiber interferometric sensors.

KW - Curvature

KW - Fiber

KW - Sensor

KW - Strain

KW - Taper

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U2 - 10.1016/j.yofte.2022.102843

DO - 10.1016/j.yofte.2022.102843

M3 - Artículo

AN - SCOPUS:85124417188

SN - 1068-5200

VL - 69

JO - Optical Fiber Technology

JF - Optical Fiber Technology

M1 - 102843

ER -

Dual tapered optical fiber for simultaneous detection of curvature and strain

Abstract

Keywords

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