Andrew H. Rawicz

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The output emittance at the edge of a luminescent concentrator (LC) depends on the physical properties of the dye and matrix used, the spectral intensity of the incident light, and the geometric parameters of the LC. If a projection of the light source on a LC is smaller than its aperture, the LC's output signal will also depend on the position of the(More)
Colour specification and matching are important tasks used in a number of different industries. However, current methods can employ very complicated, elaborate pieces of laboratory equipment which are not portable, such as spectrophotometers with combinations of calibrated light sources and a large number of narrow band filters. Simpler, portable devices(More)
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. Hence, LC's can be applied to a whole range of problems requiring the collection, manipulation, and(More)
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