23 September 2015 Automation design of cemented doublet
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Abstract
Algorithm and software for cemented doublet synthesis by Slusarev’s methodology are presented. Slusarev’s methodology is based on lookup tables that allow calculating doublet radii by given value of third-order coma, spherical aberration and chromatic aberration by specific algorithm. This calculation is automated in this work. The input parameters for algorithm are desired values of third-order coma, spherical aberration and chromatic aberration of cemented doublet. The software looks up few pairs of optical glasses corresponding to specified value of chromatic aberration and then calculates radii of surfaces for each pair of glasses corresponding to specified third-order coma and spherical aberration. The resulted third-order aberrations and real aberrations on the edge of the pupil are calculated for obtained radiuses. Several doublets can be analyzed in result table and the chosen one can be imported into Zemax. The calculated cemented doublet parameters can be analyzed and optimized in optical system design software. The software allows to make the first step of optical system design fast and simple. It allows to design not only the system which is free of the third-order spherical aberration, coma and axial color, but obtain necessary value of aberration for compensation of aberrations in another part of optical system. Possibility to look up optical glasses automatically, what affects the chromatic aberration correction and aberration correction in general, is especially important. Examples of automatic calculation of cemented doublet and compensation of aberrations in another part of optical system are presented in the paper.
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Galina Romanova, Galina Romanova, Tatiana Ivanova, Tatiana Ivanova, Natalia Korotkova, Natalia Korotkova, } "Automation design of cemented doublet", Proc. SPIE 9626, Optical Systems Design 2015: Optical Design and Engineering VI, 96262S (23 September 2015); doi: 10.1117/12.2191115; https://doi.org/10.1117/12.2191115
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