Abstract
A luminescent concentrator (LC) is a nonimaging optical device used for collecting light energy. As a result of its unique properties, a LC also offers the possibility of separating different portions of the spectrum and concentrating them at the same time. LC’s can be applied to a whole range of problems requiring the collection, manipulation, and distribution or measurement of light. We present the theory of LC’s as spectral elements, describe the design of LC devices in general, and show how a LC can be modeled by the use of a simple ray-optic algorithm. We also discuss how thin-film LC elements that use a photopolymer material can be integrated with electronics on a semiconductor substrate, and as a final contribution we give experimental results for several prototype integrated LC photodetectors as proof of concept.
© 1995 Optical Society of America
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