A Cost-Effective Triplet Lens Design with Chromatic Aberration Correction Based on Optimization Algorithm and Illustration Method

Wen Shing Sun, Chuen Lin Tien, Siao Suang Liang, Jhe Syuan Lin

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

This paper proposes an optimization algorithm combined with an illustration method to select the three best glass materials for the design of a thickened triplet lens and a correction of the paraxial chromatic aberrations. In the thin lens thickening process, chromatic aberration arises from the deviation between the real and paraxial chromatic aberrations. To solve this problem, we propose an optimization algorithm and illustration method, which are integrated into a thickened triplet lens design. We optimize the eight thickened triplet lens groups to obtain the longitudinal chromatic aberration curve for the best group in the visible light range from 0.4861 μm to 0.6563 μm. The chromatic aberration curve area is 3.33 × 10−7 (μm × mm) for the longitudinal chromatic aberration and 2.11 × 10−5 (μm × mm) for the lateral chromatic aberration. Finally, the chromatic aberration of the thicken triplet lens is close to that of the thin triplet lens design, and the proposed method can obtain a good optical performance.

Original languageEnglish
Article number11881
JournalApplied Sciences (Switzerland)
Volume12
Issue number23
DOIs
StatePublished - Dec 2022

Keywords

  • chromatic aberration
  • illustration method
  • optimization algorithm
  • triplet lens

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