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Freeform optical elements give optical designers new and exciting degrees of freedom when it comes to designing optics for illumination applications. These same freeform elements can also add a new layer of complexity to the design process due to added degrees of freedom. This dramatically increases the number of possible…
TIR stands for Total Internal Reflection. TIR is the guiding principle of fiber optics, light guides, and light pipes. Total internal reflection means that light rays that meet certain conditions are reflected inside of a light guide with no loss in flux or power. This is great when transmitting light from one point to…