Fiber optic lighting
In recent years fiber optics have become increasingly popular in a variety of fields including communications, computers, and general illumination. A fiber optic cable may include one or more optical fibers. If a fiber optic cable includes a plurality of optical fibers, the optical fibers may be grouped into one or more fiber bundles. In addition, a fiber-optic cable may include an outer sheathing or jacket which protects the one or more optical fibers. Fiber optic cables or strands are capable of delivering a light signal from a remote location with very little attenuation of light energy. This capability allows fiber optics to be used in a variety of display and illumination applications. In fiber optic lighting systems, a bundle of fibers, connected at one end to a remote light source, is led to a light emitting spotlight fitting through which the light is discharged on the subject area to be illuminated. The light is typically emitted from a halogen, or metal halide, or other broad spectrum source, and is transmitted through one or more fiber optic cables having a light transmitting core covered by a reflective outer coaxial cladding, which is usually covered by a protective coaxial outer sheath, or jacket. Fiber optic lighting systems have many advantages over conventional lighting systems, and are an attractive alternative for many applications. A single light source can be used to provide multiple, directed points of light, thus reducing the need for multiple light sources. In addition, the light source is remote from the subject matter being illuminated, thereby reducing the effects of heat on the subject matter which often results when the source of light is in close proximity. The use of electric lights for the illumination of objects, including swimming pools, spas and the like, has become well known over the years. More recently, it has become popular to use fiber optics in swimming pool and spa lighting systems. Fiber optic light sources are capable of providing a variety of lighting effects within or near a pool without the heat or safety concerns of incandescent lamps, since the illuminating bulb for a fiber optic lighting system may be located remote from the pool area.
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