Humidity insensitive step-index polymer optical fibre Bragg grating sensors | Zendy

Getinet Woyessa | Zendy; Andrea Fasano | Zendy; Alessio Stefani | Zendy; Christos Markos | Zendy; K. Nielsen | Zendy; Henrik Koblitz Rasmussen | Zendy; Ole Bang | Zendy

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Humidity insensitive step-index polymer optical fibre Bragg grating sensors

Author(s) -

Getinet Woyessa,

Andrea Fasano,

Alessio Stefani,

Christos Markos,

K. Nielsen,

Henrik Koblitz Rasmussen,

Ole Bang

Publication year - 2015

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.2194963

Subject(s) - materials science , cladding (metalworking) , fiber bragg grating , polymer , humidity , subwavelength diameter optical fibre , optical fiber , grating , glass transition , composite material , optics , optoelectronics , wavelength , physics , thermodynamics

We have fabricated and characterised a humidity insensitive step index(SI) polymer optical fibre(POF) Bragg grating sensors. The fibre was made based on the injection molding technique, which is an efficient method for fast, flexible and cost effective preparation of the fibre preform. The fabricated SIPOF has a core made from TOPAS with a glass transition temperature of 134°C and a cladding from ZEONEX with a glass transition temperature of 138°C. The main advantages of the proposed SIPOF are the low water absorption and good chemical resistance compared to the conventional poly-methyl-methacrylate (PMMA) based SIPOFs. The fibre has a minimum loss of ~6dB/m at 770nm.

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