Low Loss Polycarbonate Polymer Optical Fiber for High Temperature FBG Humidity Sensing

Getinet Woyessa; Andrea Fasano; Christos Markos; Henrik K. Rasmussen; Ole Bang

doi:10.1109/LPT.2017.2668524

Low Loss Polycarbonate Polymer Optical Fiber for High Temperature FBG Humidity Sensing

Getinet Woyessa, Andrea Fasano, Christos Markos, Henrik K. Rasmussen, Ole Bang

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Abstract

We report the fabrication and characterization of a polycarbonate (PC) microstructured polymer optical fiber (mPOF) Bragg grating (FBG) humidity sensor that can operate beyond 100°C. The PC preform, from which the fiber was drawn, was produced using an improved casting approach to reduce the attenuation of the fiber. The fiber loss was found reduced by a factor of two compared to the latest reported PC mPOF [20], holding the low loss record in PC based fibers. PC mPOFBG was characterized to humidity and temperature, and a relative humidity (RH) sensitivity of 7.31± 0.13 pm/% RH in the range 10–90% RH at 100°C and a temperature sensitivity of 25.86±0.63 pm/°C in the range 20–100 °C at 90% RH were measured.

Original language	English
Journal	I E E E Photonics Technology Letters
Volume	29
Issue number	7
Pages (from-to)	575-578
ISSN	1041-1135
DOIs	https://doi.org/10.1109/LPT.2017.2668524
Publication status	Published - 2017

Keywords

Fiber gratings
Temperature measurement
Optical fiber sensors
Annealing
Humidity measurement
Plastic optical fiber

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10.1109/LPT.2017.2668524

LPT2668524Accepted author manuscript, 558 KB

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title = "Low Loss Polycarbonate Polymer Optical Fiber for High Temperature FBG Humidity Sensing",

abstract = "We report the fabrication and characterization of a polycarbonate (PC) microstructured polymer optical fiber (mPOF) Bragg grating (FBG) humidity sensor that can operate beyond 100°C. The PC preform, from which the fiber was drawn, was produced using an improved casting approach to reduce the attenuation of the fiber. The fiber loss was found reduced by a factor of two compared to the latest reported PC mPOF [20], holding the low loss record in PC based fibers. PC mPOFBG was characterized to humidity and temperature, and a relative humidity (RH) sensitivity of 7.31± 0.13 pm/% RH in the range 10–90% RH at 100°C and a temperature sensitivity of 25.86±0.63 pm/°C in the range 20–100 °C at 90% RH were measured.",

keywords = "Fiber gratings, Temperature measurement, Optical fiber sensors, Annealing, Humidity measurement, Plastic optical fiber",

author = "Getinet Woyessa and Andrea Fasano and Christos Markos and Rasmussen, {Henrik K.} and Ole Bang",

year = "2017",

doi = "10.1109/LPT.2017.2668524",

language = "English",

volume = "29",

pages = "575--578",

journal = "I E E E Photonics Technology Letters",

issn = "1041-1135",

publisher = "Institute of Electrical and Electronics Engineers",

number = "7",

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TY - JOUR

T1 - Low Loss Polycarbonate Polymer Optical Fiber for High Temperature FBG Humidity Sensing

AU - Woyessa, Getinet

AU - Fasano, Andrea

AU - Markos, Christos

AU - Rasmussen, Henrik K.

AU - Bang, Ole

PY - 2017

Y1 - 2017

N2 - We report the fabrication and characterization of a polycarbonate (PC) microstructured polymer optical fiber (mPOF) Bragg grating (FBG) humidity sensor that can operate beyond 100°C. The PC preform, from which the fiber was drawn, was produced using an improved casting approach to reduce the attenuation of the fiber. The fiber loss was found reduced by a factor of two compared to the latest reported PC mPOF [20], holding the low loss record in PC based fibers. PC mPOFBG was characterized to humidity and temperature, and a relative humidity (RH) sensitivity of 7.31± 0.13 pm/% RH in the range 10–90% RH at 100°C and a temperature sensitivity of 25.86±0.63 pm/°C in the range 20–100 °C at 90% RH were measured.

AB - We report the fabrication and characterization of a polycarbonate (PC) microstructured polymer optical fiber (mPOF) Bragg grating (FBG) humidity sensor that can operate beyond 100°C. The PC preform, from which the fiber was drawn, was produced using an improved casting approach to reduce the attenuation of the fiber. The fiber loss was found reduced by a factor of two compared to the latest reported PC mPOF [20], holding the low loss record in PC based fibers. PC mPOFBG was characterized to humidity and temperature, and a relative humidity (RH) sensitivity of 7.31± 0.13 pm/% RH in the range 10–90% RH at 100°C and a temperature sensitivity of 25.86±0.63 pm/°C in the range 20–100 °C at 90% RH were measured.

KW - Fiber gratings

KW - Temperature measurement

KW - Optical fiber sensors

KW - Annealing

KW - Humidity measurement

KW - Plastic optical fiber

U2 - 10.1109/LPT.2017.2668524

DO - 10.1109/LPT.2017.2668524

M3 - Journal article

VL - 29

SP - 575

EP - 578

JO - I E E E Photonics Technology Letters

JF - I E E E Photonics Technology Letters

SN - 1041-1135

IS - 7

ER -