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Proceedings Paper

Innovative design of parabolic reflector light guiding structure
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Paper Abstract

Due to the idea of everlasting green architecture, it is of increasing importance to guild natural light into indoors. The advantages are multifold - to have better color rendering index, excellent energy savings from environments viewpoints and make humans more healthy, etc. Our search is to design an innovative structure, to convert outdoor sun light impinges on larger surfaces, into near linear light beam sources, later convert this light beam into near point sources which enters the indoor spaces then can be used as lighting sources indoors. We are not involved with the opto-electrical transformation, to the guild light into to the building, to perform the illumination, as well as the imaging function. Because non-imaging optics, well known for apply to the solar concentrators, that can use non-imaging structures to fulfill our needs, which can also be used as energy collectors in solar energy devices. Here, we have designed a pair of large and small parabolic reflector, which can be used to collect daylight and change area from large to small. Then we make a light-guide system that is been designed by us use of this parabolic reflector to guide the collection light, can pick up the performance for large surface source change to near linear source and a larger collection area.

Paper Details

Date Published: 12 February 2008
PDF: 12 pages
Proc. SPIE 6896, Integrated Optics: Devices, Materials, and Technologies XII, 68961C (12 February 2008); doi: 10.1117/12.761125
Show Author Affiliations
Allen J. Whang, National Taiwan Univ. of Science and Technology (Taiwan)
Chun-Hsien Tso, National Taiwan Univ. of Science and Technology (Taiwan)
Yi-Yung Chen, National Taiwan Univ. of Science and Technology (Taiwan)


Published in SPIE Proceedings Vol. 6896:
Integrated Optics: Devices, Materials, and Technologies XII
Christoph M. Greiner; Christoph A. Waechter, Editor(s)

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