Designing an optical disk lens without analytical definition of aspheric surfaces |
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Authors: | Wei Ning Gong Mali Yan Ping Zhang Haitao |
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Affiliation: | Department of Precision Instruments, Tsinghua University, Beijing, China. nman@263.net |
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Abstract: | We have developed a new method to design aspheric lenses. The conventional technique is usually based on analytic definition of optical surfaces; in the new method discretely defined aspheres are used, and the final design is attained point by point with an iterative algorithm. Simulation results are compared with results obtained with conventional optical design software to prove that this new method is more effective and reliable for designing aspheric lenses, especially when the aspheric order is high. |
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