Locating optimal freeform surfaces for off-axis optical systems

Xisheng Xiao, Qinghua Yu, Guilin Chen, Rongguang Liang

Research output: Contribution to journalArticle

Abstract

One of the key tasks in designing off-axis optical systems is to place freeform surfaces in optimal locations. By analyzing the real ray paths, we introduce one simple method for locating freeform surfaces in off-axis systems. A four mirror off-axis microscope objective with freeform surfaces is designed to demonstrate the method, the result shows that our method is effective in identifying the optimal locations of freeform surfaces.

Original languageEnglish (US)
Article number125757
JournalOptics Communications
Volume467
DOIs
StatePublished - Jul 15 2020

Keywords

  • Freeform optics
  • Off-axis system
  • Optical design
  • Reflective microscope

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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