Modal interferometer based on hollow-core photonic crystal fiber for strain and temperature measurement

S H Aref; R Amezcua Correa; J P Carvalho; O Frazao; P Caldas; J L Santos; F M Araujo; H Latifi; F Farahi; L A Ferreira; J C Knight

doi:10.1364/OE.17.018669

Modal interferometer based on hollow-core photonic crystal fiber for strain and temperature measurement

S H Aref, R Amezcua Correa, J P Carvalho, O Frazao, P Caldas, J L Santos, F M Araujo, H Latifi, F Farahi, L A Ferreira, J C Knight

Department of Physics

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

88 Citations (SciVal)

Abstract

In this work, sensitivity to strain and temperature of a sensor relying on modal interferometry in hollow-core photonic crystal fibers is studied. The sensing structure is simply a piece of hollow-core fiber connected in both ends to standard single mode fiber. An interference pattern that is associated to the interference of light that propagates in the hollow core fundamental mode with light that propagates in other modes is observed. The phase of this interference pattern changes with the measurand interaction, which is the basis for considering this structure for sensing. The phase recovery is performed using a white light interferometric technique. Resolutions of +/- 1.4 mu epsilon and +/- 0.2 degrees C were achieved for strain and temperature, respectively. It was also found that the fiber structure is not sensitive to curvature. (C) 2009 Optical Society of America

Original language	English
Pages (from-to)	18669-18675
Number of pages	7
Journal	Optics Express
Volume	17
Issue number	21
DOIs	https://doi.org/10.1364/OE.17.018669
Publication status	Published - 2009

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title = "Modal interferometer based on hollow-core photonic crystal fiber for strain and temperature measurement",

abstract = "In this work, sensitivity to strain and temperature of a sensor relying on modal interferometry in hollow-core photonic crystal fibers is studied. The sensing structure is simply a piece of hollow-core fiber connected in both ends to standard single mode fiber. An interference pattern that is associated to the interference of light that propagates in the hollow core fundamental mode with light that propagates in other modes is observed. The phase of this interference pattern changes with the measurand interaction, which is the basis for considering this structure for sensing. The phase recovery is performed using a white light interferometric technique. Resolutions of +/- 1.4 mu epsilon and +/- 0.2 degrees C were achieved for strain and temperature, respectively. It was also found that the fiber structure is not sensitive to curvature. (C) 2009 Optical Society of America",

author = "Aref, {S H} and {Amezcua Correa}, R and Carvalho, {J P} and O Frazao and P Caldas and Santos, {J L} and Araujo, {F M} and H Latifi and F Farahi and Ferreira, {L A} and Knight, {J C}",

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language = "English",

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T1 - Modal interferometer based on hollow-core photonic crystal fiber for strain and temperature measurement

AU - Aref, S H

AU - Amezcua Correa, R

AU - Carvalho, J P

AU - Frazao, O

AU - Caldas, P

AU - Santos, J L

AU - Araujo, F M

AU - Latifi, H

AU - Farahi, F

AU - Ferreira, L A

AU - Knight, J C

PY - 2009

Y1 - 2009

N2 - In this work, sensitivity to strain and temperature of a sensor relying on modal interferometry in hollow-core photonic crystal fibers is studied. The sensing structure is simply a piece of hollow-core fiber connected in both ends to standard single mode fiber. An interference pattern that is associated to the interference of light that propagates in the hollow core fundamental mode with light that propagates in other modes is observed. The phase of this interference pattern changes with the measurand interaction, which is the basis for considering this structure for sensing. The phase recovery is performed using a white light interferometric technique. Resolutions of +/- 1.4 mu epsilon and +/- 0.2 degrees C were achieved for strain and temperature, respectively. It was also found that the fiber structure is not sensitive to curvature. (C) 2009 Optical Society of America

AB - In this work, sensitivity to strain and temperature of a sensor relying on modal interferometry in hollow-core photonic crystal fibers is studied. The sensing structure is simply a piece of hollow-core fiber connected in both ends to standard single mode fiber. An interference pattern that is associated to the interference of light that propagates in the hollow core fundamental mode with light that propagates in other modes is observed. The phase of this interference pattern changes with the measurand interaction, which is the basis for considering this structure for sensing. The phase recovery is performed using a white light interferometric technique. Resolutions of +/- 1.4 mu epsilon and +/- 0.2 degrees C were achieved for strain and temperature, respectively. It was also found that the fiber structure is not sensitive to curvature. (C) 2009 Optical Society of America

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UR - http://dx.doi.org/10.1364/OE.17.018669

U2 - 10.1364/OE.17.018669

DO - 10.1364/OE.17.018669

M3 - Article

SN - 1094-4087

VL - 17

SP - 18669

EP - 18675

JO - Optics Express

JF - Optics Express

IS - 21

ER -

Modal interferometer based on hollow-core photonic crystal fiber for strain and temperature measurement

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