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Optical Engineering

High-efficiency light-emitting diode collimator
Author(s): Daniel Vázquez-Moliní; Mario González Montes; Antonio A. Fernandez-Balbuena; Eusebio Bernabeu Martinez
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Paper Abstract

We describe an analytical and numerical method to design and optimize LED (light-emitting diode) collimators. The optimization process is confirmed by optical simulations and experimental measurements of a scaled prototype. The collimator's definitive geometry and design parameters rely on the LED's emitting characteristics and the employed collimator material. The resulting parabolic-elliptical-based collimator shows an optimum performance and a compact structure with requirement for mirrored surfaces.

Paper Details

Date Published: 1 December 2010
PDF: 8 pages
Opt. Eng. 49(12) 123001 doi: 10.1117/1.3522644
Published in: Optical Engineering Volume 49, Issue 12
Show Author Affiliations
Daniel Vázquez-Moliní, Univ. Complutense de Madrid (Spain)
Mario González Montes, Univ. Complutense de Madrid (Spain)
Antonio A. Fernandez-Balbuena, Univ. Complutense de Madrid (Spain)
Eusebio Bernabeu Martinez, Univ. Complutense de Madrid (Spain)


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