Tolerance Analysis Tools Take the Guesswork out of a Colorful Illumination Design Problem
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Tolerance analysis is a tool that's been in every lens designer's toolbox for decades, but it has largely been out of reach for illumination designers because of the amount of time needed to perform the thousands of simulations required to get a meaningful statistical tolerance result, and because of a lack of built-in tolerance analysis tools for illumination design and analysis software. Computers are becoming increasingly faster, and illumination design and analysis tools such as LightTools are adding statistical tolerancing capabilities. This white paper presents an example of tolerance analysis to examine the color performance of an exterior automotive lamp that includes LEDs.