Method to design apochromat and superachromat objectives

Jose M Sasian, Weichuan Gao, Yufeng Yan

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


We present a simple method to design apochromat and superachromat objectives. The chromatic focal shift is used to determine glass combinations that yield three and four crossings in the chromatic focal shift curve. The method can be extended to design superachromats with more than four crossings.

Original languageEnglish (US)
Article number105106
JournalOptical Engineering
Issue number10
StatePublished - Oct 1 2017


  • achromatic lens
  • apochromatic lens
  • secondary spectrum
  • superachromat lens
  • tertiary spectrum

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • General Engineering


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