[[abstract]]This paper is aimed to design a concentrative LED projector system which can provide a homogenous illumination. This system consists of LEDs with the reflector of MR16 provided by a sponsor and a Fresnel lens designed in this paper. The simulation result by a practical ray tracing shows that the produced light pattern by the designed projector can have a concentrative and homogenous illumination distribution in the detecting plane. Also, the sponsor's request is fit. This projector system designed in this paper can be used as a standard module to make up various lighting systems.
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