Eliminating lateral color aberration of a high-resolution digital projection lens using a novel genetic algorithm

Yi-Chin Fang; Bo-Wen Wu; Tung-Kuan Liu

doi:10.1117/1.2759527

1 July 2007 Eliminating lateral color aberration of a high-resolution digital projection lens using a novel genetic algorithm

Yi-Chin Fang, Bo-Wen Wu, Tung-Kuan Liu

Author Affiliations +

Optical Engineering, Vol. 46, Issue 7, 073003 (July 2007). https://doi.org/10.1117/1.2759527

Abstract

Advances in digital image optics have increased the significance of lateral color aberration because it is easily seen in the projected area. The choice of optical glass plays a role in the elimination of lateral color aberration. Current optical software still has difficulty in finding the optimal combination of optical glasses for twelve or more elements in a projection lens, the choice being among at least 300 optical glasses that have been developed. Even the modern damped least squares, a ray-tracing-based method, is limited, owing to its inability to identify an enhanced optical system configuration. As an alternative, this research proposes a new optimization process by using algorithms involving the theory of geometric optics in a projector lens, real encoding, multiple dynamic crossover, and random gene mutation techniques. Results and conclusions show that attempts to achieve negligible axial and lateral color aberration are successful.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Yi-Chin Fang, Bo-Wen Wu, and Tung-Kuan Liu "Eliminating lateral color aberration of a high-resolution digital projection lens using a novel genetic algorithm," Optical Engineering 46(7), 073003 (1 July 2007). https://doi.org/10.1117/1.2759527

Published: 1 July 2007

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