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Proceedings Paper

Influence of high temperatures on optical fibers coated with multilayer protective coatings
Author(s): T. Stanczyk; J. Fidelus; K. Wysokinski; S. Lipinski; T. Tenderenda; M. Kuklińska; A. Kołakowska; J. Rodriguez Garcia; I. Canadas Martinez; T. Nasiłowski
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Paper Abstract

In this work we present an innovative method of enhancing optical fibers’ resistance to extremely high temperatures by deposition of a multilayer metal coating on the fibers’ surface. Such multilayer coating is necessary because of the silica degradation at elevated temperatures. Despite the fact that copper coated fibers work well at temperatures up to 400°C, at higher temperatures copper oxidizes and can no longer protect the fiber. To hold back the copper oxidation and silica degradation processes we developed a dedicated multilayer coating which allows fibers to operate at temperatures up to 700°C. The optimal protective layer has been chosen after numerous high-temperature tests, where copper plates coated with different kinds of coatings were evaluated. What is more, we present results of the high-temperature reliability tests of copper coated fibers protected with our multilayer coating. Performed tests proved that our solution significantly improved optical fibers’ reliability to both: elevated temperatures and rapid changes of temperature. Furthermore the developed metal coatings allow fibers’ to be electrolytically bonded to other metal elements (e.g. sensor transducers) what makes them great candidates for harsh environment fiber optic sensor applications.

Paper Details

Date Published: 17 December 2015
PDF: 7 pages
Proc. SPIE 9816, Optical Fibers and Their Applications 2015, 98160F (17 December 2015); doi: 10.1117/12.2225437
Show Author Affiliations
T. Stanczyk, InPhoTech SP z o. o. (Poland)
J. Fidelus, InPhoTech SP z o. o. (Poland)
K. Wysokinski, InPhoTech SP z o. o. (Poland)
S. Lipinski, InPhoTech SP z o. o. (Poland)
T. Tenderenda, InPhoTech SP z o. o. (Poland)
M. Kuklińska, Polish Ctr. for Photonics and Fibre Optics (Poland)
A. Kołakowska, InPhoTech SP z o. o. (Poland)
J. Rodriguez Garcia, CIEMAT (Spain)
I. Canadas Martinez, CIEMAT (Spain)
T. Nasiłowski, InPhoTech SP z o. o. (Poland)

Published in SPIE Proceedings Vol. 9816:
Optical Fibers and Their Applications 2015
Ryszard S. Romaniuk; Waldemar Wojcik; Andrzej Smolarz, Editor(s)

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