Study on synthesis of UV potting adhesive and the temperature characteristics of optical fiber coil

Xiaole Wu; Bohan Liu; Ruoxiang Tang; Yueze Wang

doi:10.1117/12.2547778

18 December 2019 Study on synthesis of UV potting adhesive and the temperature characteristics of optical fiber coil

Xiaole Wu, Bohan Liu, Ruoxiang Tang, Yueze Wang

Proceedings Volume 11340, AOPC 2019: Optical Fiber Sensors and Communication; 113401B (2019) https://doi.org/10.1117/12.2547778
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

The improvement in the performance of fiber optic gyroscope raises increasingly high standard on the performance of potting adhesive for optical fiber coil. It cannot only enable the stability of coil potting, but also maintain long-term stability under complex environmental stress. In order to meet the indicators of temperature performance of optical fiber coil, we have prepared the acrylic matrix potting adhesive via UV photo-curing by grafting the hard-segment chain containing benzene ring with polyurethane acrylate(PUA) as the matrix, studied the influence of resin matrix, photoinitiator and active diluent on the UV curing of potting adhesive for optical fiber coil, and went into in details the indicators including the curing rate, modulus and glass transition temperature performance of potting adhesive so as to provide experimental support for obtaining the best matched UV potting adhesive curing system. In this study, we have characterized the molecular structure of potting adhesive via infrared spectroscopy, studied the thermomechanical properties of potting adhesive by thermal analysis, and finally verified the process stability of potting adhesive and the temperature characteristics of coil through coil winding and potting and curing.

Citation Download Citation

Xiaole Wu, Bohan Liu, Ruoxiang Tang, and Yueze Wang "Study on synthesis of UV potting adhesive and the temperature characteristics of optical fiber coil", Proc. SPIE 11340, AOPC 2019: Optical Fiber Sensors and Communication, 113401B (18 December 2019); https://doi.org/10.1117/12.2547778

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KEYWORDS

Adhesives

Ultraviolet radiation

Fiber optics sensors

Optical fibers

Fiber optic gyroscopes

Infrared spectroscopy

Polyurethane

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