An end-emitting fiber cable is an end glow cable (meaning light emits only from the end of the cable). These cables are typically used with end-fittings for ambient lighting to illuminate ceilings and pathways in indoor and outdoor spaces.
The inner fiber optic cores are made of PMMA (PolyMethyl MethAcrylate) insulated in a black UV-protected sheath designed for maximum light output at the endpoint. The PMMA properties allow light from the light source to be transmitted without electricity or heat in the fiber cable while the sheath reflects any light that tries to escape back into the fiber cable.
Light will travel a considerable distance in a fiber cable provided suitable characteristics are met and the desired light output is appropriate for the application. As an example, an end-emitting single-core 1.5mm (0.059") fiber cable provides adequate light for a starlight application at 300m (984ft) from a 15-watt illuminator.
The end-emitting fiber cable needs to match the correct illuminator for the application. Fiber cables connected to any light source may not necessarily produce the best light output results. This is a disadvantage for lighting designers wishing to incorporate fiber optic lighting into their projects.
It is necessary to consider several factors, including the light source's beam angle, color temperature, lumen output, and heat output. Another factor is the length of the fiber cables in the overall project; for example, it may be more expensive to run longer fiber cables as opposed to adding another illuminator.
The light produced by single-core fiber cables is well suited for star lighting, cabinet lighting, step lighting, and architectural models. They can be terminated with end fittings to diffuse the light or left bare. As a result, it is extremely useful in areas with high ceilings or hard-to-reach serviceable spaces, as there are no LEDs or globes to replace at the endpoints.
Multi-core fiber cables are used in applications requiring higher light intensity, such as path lighting. Swimming pool wall lights are a great example of an electricity-free light fitting in a water environment, the fiber cable also avoids issues typically found with conventional lighting; no more LED or light bulbs to replace inside the fiber optic pool fitting!
Cabinets, refrigeration, and artifacts where cold light and no UVs are essential benefits greatly from fiber optics. Furthermore, adding more fiber optic cables into one illuminator aids energy efficiency. For example, one 15-Watt illuminator with 180 single-core, 1.0mm (0.0393") end-emitting fiber cables comes to 0.083 watts per endpoint.
With more than 19 years of lighting experience behind them, there’s little to wonder why the team here at LightEFX are the go-to experts for fiber optic side-emitting cables.
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