Objective
The goal of the project is the development of an efficient and reliable hermetic coating technology to improve the resistance to corrosion and static fatigue of optical fibres. This will allow small radius bendings (a few centimetres), well adapted to spools for opto-electronic devices such as fibre optic sensors and delay lines, and suitable for fibre optic equipment interconnections.
During the development of an efficient and reliable coating technology to improve the resistance to static fatigue of optical fibres, the following progress has been made:
development of laser chemical vapour deposition (CVD) and plasma CVD equipment for coating moving optical fibres;
production of metallic coatings on static silica samples with laser CVD;
production of good quality carbon coatings on bare optical fibres with plasma CVD (compatible with inline drawing);
experimentation on coatings made on epoxy coated fibres which shows a significant increase in hermeticity by carbon coating;
realization on the drawing tower of an inline carbon coating with plasma CVD.
The tasks are:
-the set-up and evaluation of laser induced and plasma enhanced chemical vapour deposition (CVD) methods for the coating of optical fibres
-the analysis of the deposited layers (composition, adherence, uniformity, cohesion)
-the assessment of the improvement of mechanical properties and resistance to environment (corrosion, temperature ...) to be expected
-the selection and implementation of CVD methods for the coating of moving fibres
-the specification of a viable industrial process to be developed by the industrial partners.
The work programme comprises two 21 month-long phases. The phase 1 is a feasibility phase, for the evaluation of fibre coating by plasma and laser CVD methods. The phase 2 is a laboratory process implementation of the fabrication of coatings on moving samples.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology materials engineering coating and films
- engineering and technology electrical engineering, electronic engineering, information engineering electronic engineering sensors
- natural sciences physical sciences optics fibre optics
- natural sciences physical sciences optics laser physics
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Programme(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Coordinator
91404 ORSAY
France
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.