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Light that an optical fiber can diffuse is necessarily limited by the flow which can enter into its section.
To increase the flow returned we group fibers into cables.
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Diffusing cables are generally made of 7, 19 or 37 optical fibers. Beyond that, light doesn't propagate well. |
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We have got the skills to manufacture cable lighting homogeneously up to 15/20 meters in length and only fed by one side.
To exceed this length, cables must be supplied by both ends.
We apply the Excel-Ray treatment symmetrically, so we can obtain 50 meters lengths cables without any weakening of the light in the middle of the diffusing cable.
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Cables are sheathed in a flexible sheath but may also be in form of rigid tubes.
They are usually supplied with 150W iodide generators to get the maximum light.
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Optical fibers products 
