While Hybrid solar lighting systems have a great deal of potential with their fiber-optic wiring and IR filtering, they are very expensive. This device, the light pipe, does pretty much the same thing, except with no concentrator or fiber optics. I'm sure it's less efficient in transferring lights, but it's also gotta be really really cheap.
The basic system includes a pipe with a highly reflective interior, a light directing cap (which ensures that a maximum amount of light gets pushed into the tube) and a diffuse lens or mirror at the base of the tube, to spread the light within the interior. The people at Solatube seem to have the system down, and have installed light pipes in houses, retailers and factories across America.
Spotted at California Green Business
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