Automatic obscuration elimination for off-Axis mirror systems without plane of symmetry

Chen Xu*, Weitao Song, Yongtian Wang

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We proposed a method to automatically eliminate the obscuration in the design of off-Axis mirror systems without plane of symmetry. Off-Axis settings and local surface expression are designed to simplify the system representation. Obscuration error function is established based on the positional relation between the proposed mirror boxes and ray boxes, and through function optimization, the obscuration is eliminated. The method is demonstrated by two examples, indicating its ability to eliminate obscuration for totally off-Axis mirror system and the searching for such systems from co-Axial starting points.

Original languageEnglish
Title of host publicationInternational Optical Design Conference, IODC 2021
PublisherOptica Publishing Group (formerly OSA)
ISBN (Electronic)9781943580880
DOIs
Publication statusPublished - 2021
EventInternational Optical Design Conference, IODC 2021 - Virtual, Online, United States
Duration: 27 Jun 20211 Jul 2021

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Conference

ConferenceInternational Optical Design Conference, IODC 2021
Country/TerritoryUnited States
CityVirtual, Online
Period27/06/211/07/21

Keywords

  • Free-form optics
  • Off-Axis systems
  • Optical design
  • Physical constraints
  • Surface expression

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Xu, C., Song, W., & Wang, Y. (2021). Automatic obscuration elimination for off-Axis mirror systems without plane of symmetry. In International Optical Design Conference, IODC 2021 Article 120780H (Optics InfoBase Conference Papers). Optica Publishing Group (formerly OSA). https://doi.org/10.1117/12.2603626