Temperature and RH response of polymer CYTOP FBG treated by gamma radiation

Ivan Chapalo; Andrei Goussarov; Karima Chah; Andreas Ioannou; Andreas Pospori; Ying-Gang Nan; Kyriacos Kalli; Patrice Mégret

doi:10.1117/12.2678326

Temperature and RH response of polymer CYTOP FBG treated by gamma radiation

Ivan Chapalo, Andrei Goussarov, Karima Chah, Andreas Ioannou, Andreas Pospori, Ying-Gang Nan, Kyriacos Kalli, Patrice Mégret

Nuclear Engineering Office

Research output › peer-review

Abstract

Polymer fiber Bragg grating (FBGs) demonstrate a wider strain range and stronger temperature sensitivity compared to standard silica FBGs. Besides, their advantageous feature is sensitivity to humidity that enables FBG-based relative humidity (RH) sensing. However, practical realization of RH sensors requires temperature cross-sensitivity elimination. A certain optimal fiber pre-strain and gamma irradiation of perfluorinated (CYTOP) FBGs up to certain optimal dose are potential recently proposed solutions for this problem. In this work, we investigate temperature and RH response of FBGs inscribed line-by-line in a few-mode polymer fiber with 20-µm CYTOP core and 250-µm XYLEX overclad. We compare the cases of the pristine FBG sample and the sample received 200 kGy irradiation dose. The 200-kGy dose was previously confirmed to provide temperature sensitivity minimization at 40%RH. Here, we show the close-to-zero temperature sensitivity (≈1pm/℃) for 200-kGy dose at high RH value of 89%. Besides, we briefly analyze the stabilization process of FBGs response to strong and quick RH changes.

Original language	English
Title of host publication	European Workshop on Optical Fibre Sensors (EWOFS 2023)
Editors	Marc Wuilpart, Christophe Caucheteur
Publisher	SPIE - The International Society for Optical Engineering
Number of pages	5
Volume	12643
ISBN (Electronic)	9781510665002
DOIs	https://doi.org/10.1117/12.2678326
State	Published - May 2023

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	12643
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Applied Mathematics
Electrical and Electronic Engineering
Computer Science Applications

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Cite this

Chapalo, I., Goussarov, A., Chah, K., Ioannou, A., Pospori, A., Nan, Y.-G., Kalli, K., & Mégret, P. (2023). Temperature and RH response of polymer CYTOP FBG treated by gamma radiation. In M. Wuilpart, & C. Caucheteur (Eds.), European Workshop on Optical Fibre Sensors (EWOFS 2023) (Vol. 12643). Article 1264305 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12643). SPIE - The International Society for Optical Engineering. https://doi.org/10.1117/12.2678326

Chapalo, Ivan ; Goussarov, Andrei ; Chah, Karima et al. / Temperature and RH response of polymer CYTOP FBG treated by gamma radiation. European Workshop on Optical Fibre Sensors (EWOFS 2023). editor / Marc Wuilpart ; Christophe Caucheteur. Vol. 12643 SPIE - The International Society for Optical Engineering, 2023. (Proceedings of SPIE - The International Society for Optical Engineering).

@inproceedings{f12becf557c5437fbab150f2e3dec50c,

title = "Temperature and RH response of polymer CYTOP FBG treated by gamma radiation",

abstract = "Polymer fiber Bragg grating (FBGs) demonstrate a wider strain range and stronger temperature sensitivity compared to standard silica FBGs. Besides, their advantageous feature is sensitivity to humidity that enables FBG-based relative humidity (RH) sensing. However, practical realization of RH sensors requires temperature cross-sensitivity elimination. A certain optimal fiber pre-strain and gamma irradiation of perfluorinated (CYTOP) FBGs up to certain optimal dose are potential recently proposed solutions for this problem. In this work, we investigate temperature and RH response of FBGs inscribed line-by-line in a few-mode polymer fiber with 20-µm CYTOP core and 250-µm XYLEX overclad. We compare the cases of the pristine FBG sample and the sample received 200 kGy irradiation dose. The 200-kGy dose was previously confirmed to provide temperature sensitivity minimization at 40%RH. Here, we show the close-to-zero temperature sensitivity (≈1pm/℃) for 200-kGy dose at high RH value of 89%. Besides, we briefly analyze the stabilization process of FBGs response to strong and quick RH changes.",

keywords = "CYTOP, FBG, Gamma-Radiation, Perfluorinated polymer, Fiber Bragg gratings, Polymer optical fiber, Fiber optic sensors",

author = "Ivan Chapalo and Andrei Goussarov and Karima Chah and Andreas Ioannou and Andreas Pospori and Ying-Gang Nan and Kyriacos Kalli and Patrice M{\'e}gret",

note = "Score=3 Funding Information: Fonds De La Recherche Scientifique – FNRS (T.0163.19 “RADPOF”). The research leading to these results has also received funding from the Horizon 2020 programme of the European Union (Marie Sk{\l}odowska-Curie Actions - Individual Fellowships) under REA grant agreement No. 844618 (project POSPORI). This work is also funded by the research project INTEGRATED/0918/0031 (LightSense Project) by the Republic of Cyprus through the Research and Innovation Foundation and European Development Fund and the Cyprus University of Technology. Publisher Copyright: {\textcopyright} 2023 SPIE.",

year = "2023",

month = may,

doi = "10.1117/12.2678326",

language = "English",

volume = "12643",

series = "Proceedings of SPIE - The International Society for Optical Engineering",

publisher = "SPIE - The International Society for Optical Engineering",

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Chapalo, I, Goussarov, A, Chah, K, Ioannou, A, Pospori, A, Nan, Y-G, Kalli, K & Mégret, P 2023, Temperature and RH response of polymer CYTOP FBG treated by gamma radiation. in M Wuilpart & C Caucheteur (eds), European Workshop on Optical Fibre Sensors (EWOFS 2023). vol. 12643, 1264305, Proceedings of SPIE - The International Society for Optical Engineering, vol. 12643, SPIE - The International Society for Optical Engineering. https://doi.org/10.1117/12.2678326

Temperature and RH response of polymer CYTOP FBG treated by gamma radiation. / Chapalo, Ivan; Goussarov, Andrei; Chah, Karima et al.
European Workshop on Optical Fibre Sensors (EWOFS 2023). ed. / Marc Wuilpart; Christophe Caucheteur. Vol. 12643 SPIE - The International Society for Optical Engineering, 2023. 1264305 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12643).

Research output › peer-review

TY - GEN

T1 - Temperature and RH response of polymer CYTOP FBG treated by gamma radiation

AU - Chapalo, Ivan

AU - Goussarov, Andrei

AU - Chah, Karima

AU - Ioannou, Andreas

AU - Pospori, Andreas

AU - Nan, Ying-Gang

AU - Kalli, Kyriacos

AU - Mégret, Patrice

N1 - Score=3 Funding Information: Fonds De La Recherche Scientifique – FNRS (T.0163.19 “RADPOF”). The research leading to these results has also received funding from the Horizon 2020 programme of the European Union (Marie Skłodowska-Curie Actions - Individual Fellowships) under REA grant agreement No. 844618 (project POSPORI). This work is also funded by the research project INTEGRATED/0918/0031 (LightSense Project) by the Republic of Cyprus through the Research and Innovation Foundation and European Development Fund and the Cyprus University of Technology. Publisher Copyright: © 2023 SPIE.

PY - 2023/5

Y1 - 2023/5

N2 - Polymer fiber Bragg grating (FBGs) demonstrate a wider strain range and stronger temperature sensitivity compared to standard silica FBGs. Besides, their advantageous feature is sensitivity to humidity that enables FBG-based relative humidity (RH) sensing. However, practical realization of RH sensors requires temperature cross-sensitivity elimination. A certain optimal fiber pre-strain and gamma irradiation of perfluorinated (CYTOP) FBGs up to certain optimal dose are potential recently proposed solutions for this problem. In this work, we investigate temperature and RH response of FBGs inscribed line-by-line in a few-mode polymer fiber with 20-µm CYTOP core and 250-µm XYLEX overclad. We compare the cases of the pristine FBG sample and the sample received 200 kGy irradiation dose. The 200-kGy dose was previously confirmed to provide temperature sensitivity minimization at 40%RH. Here, we show the close-to-zero temperature sensitivity (≈1pm/℃) for 200-kGy dose at high RH value of 89%. Besides, we briefly analyze the stabilization process of FBGs response to strong and quick RH changes.

AB - Polymer fiber Bragg grating (FBGs) demonstrate a wider strain range and stronger temperature sensitivity compared to standard silica FBGs. Besides, their advantageous feature is sensitivity to humidity that enables FBG-based relative humidity (RH) sensing. However, practical realization of RH sensors requires temperature cross-sensitivity elimination. A certain optimal fiber pre-strain and gamma irradiation of perfluorinated (CYTOP) FBGs up to certain optimal dose are potential recently proposed solutions for this problem. In this work, we investigate temperature and RH response of FBGs inscribed line-by-line in a few-mode polymer fiber with 20-µm CYTOP core and 250-µm XYLEX overclad. We compare the cases of the pristine FBG sample and the sample received 200 kGy irradiation dose. The 200-kGy dose was previously confirmed to provide temperature sensitivity minimization at 40%RH. Here, we show the close-to-zero temperature sensitivity (≈1pm/℃) for 200-kGy dose at high RH value of 89%. Besides, we briefly analyze the stabilization process of FBGs response to strong and quick RH changes.

KW - CYTOP

KW - FBG

KW - Gamma-Radiation

KW - Perfluorinated polymer

KW - Fiber Bragg gratings

KW - Polymer optical fiber

KW - Fiber optic sensors

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U2 - 10.1117/12.2678326

DO - 10.1117/12.2678326

M3 - In-proceedings paper

VL - 12643

T3 - Proceedings of SPIE - The International Society for Optical Engineering

BT - European Workshop on Optical Fibre Sensors (EWOFS 2023)

A2 - Wuilpart, Marc

A2 - Caucheteur, Christophe

PB - SPIE - The International Society for Optical Engineering

ER -

Chapalo I, Goussarov A, Chah K, Ioannou A, Pospori A, Nan YG et al. Temperature and RH response of polymer CYTOP FBG treated by gamma radiation. In Wuilpart M, Caucheteur C, editors, European Workshop on Optical Fibre Sensors (EWOFS 2023). Vol. 12643. SPIE - The International Society for Optical Engineering. 2023. 1264305. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.2678326