Prism Guide Light is a hollow structure that efficiently transfer light Good demonstration of reflection and transportation of light
Prism Light Guide is a hollow structure that can efficiently transport large quantities of light. The prism light guide was patented in 1981. This invention is a pipe whose transparent walls are formed on the outside into precise prismatic facets. The facets are efficient total internal reflection mirrors which prevent light traveling down the guide from escaping. Very little light is absorbed by the pipe because light travels primarily in the air space within the hollow guide. And, because the guide is hollow, weight and cost factors are much more favorable than would be the case with very large solid fibers.
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Updated one 16th Mar 2015
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