New optimization process based on the contrast function for triplet systems design

Carles Pizarro; Josep Arasa; Nuria Tomas

doi:10.1117/12.513588

18 February 2004 New optimization process based on the contrast function for triplet systems design

Carles Pizarro, Josep Arasa, Nuria Tomas

Proceedings Volume 5249, Optical Design and Engineering; (2004) https://doi.org/10.1117/12.513588
Event: Optical Systems Design, 2003, St. Etienne, France

Abstract

In this work, we present a new image-quality-based optimization process using a USAAF test to estimate the contrast function in the image plane. This strategy permits us to estimate the contrast values with only one image for the analyzed field, so the computation time of the method is appropriated for an optimization process. This image-quality-based procedure does not present the typical problems in estimating the contrast value in optical systems with odd wave-aberrations because the method uses an image of one extended object. The optimization process is applied to design triplet systems. For a triplet lens system working with an f-number of eight, we obtain a design with a Strehl ratio of 0.91 at full field of view using our optimization process. Finally, we present the optimization process’ dependence on the starting systems which is not in correlation with the starting systems’ quality.

Citation Download Citation

Carles Pizarro, Josep Arasa, and Nuria Tomas "New optimization process based on the contrast function for triplet systems design", Proc. SPIE 5249, Optical Design and Engineering, (18 February 2004); https://doi.org/10.1117/12.513588

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