Design of fly's-eye lens for LCOS laser display |
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Authors: | Liu Hong Sun Changli Wang Weisheng Zheng Jian |
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Institution: | 1. School of Electronics Information, Shanghai Dianji University, Shanghai 200240, China;2. School of Information Science & Technology, East China, Normal University, Shanghai 200062, China;3. The Third Researh Institute of MPS, Shanghai 200031, China |
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Abstract: | Design of optical system in laser display has always been an important research topic. From the aspect of decreasing the system volume and improving the light efficiency, it can be found that when the size of fly's-eye lens and the value of f/# are definite, the more fly's-eye arrays there are, the more useful it will be to the decrease of the optical engine size, which means that more honeycombs on fly's-eye lens and better dodging effect can be more beneficial for the decrease of the system size. After the optimal design for the rectangular elements on sub-fly's-eye lens and then doing 4000 ray tracing, the light transmittance turns out to be good with little parasitic light and scattering light. |
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Keywords: | Laser display É tendue Fly's-eye lens Optical engine Ray tracing Sub-light sources |
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