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Fresnel Cylinders - A Fresnel cylinderical lens has a linear structure, which can be used to collimate a row of light sources or to focus light in one direction only.
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Lenticulars - Lenticulars have linear structures where every groove has the same small radius of curvature, thus creating multiple line images.
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Surface Relief Diffusive Microstructures - SRDMís are engineered to spread light into a predetermined gain distribution. SRDMís are highly efficient and their properties are tailorable.
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Lane specific traffic light using a Fresnel lens and diffuser
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