Study on computer-aided alignment method of reflective zoom systems

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

Abstract

Computer-aided alignment is an effective method to improve the imaging quality of high-precision, complex, and off-axis optical systems. However, how to determine the misalignment quickly, exactly and constantly is essential to the technology of computer-aided alignment. Owing to the varying optical characteristics of a zoom system, sensitivity matrices are used in the alignment rather than a single matrix. Thus, the processing of sensitivity matrices is important for the computer-aided alignment of the reflective zoom system. So, the total least squares is proposed in order to solve the problems of the numerical instability and the result inaccuracy which result from the solution of the least squares method directly. Finally, the simulant calculation is processed using the numerical analysis model established in the essay. The results demonstrate that the computation method is rational and effective.

Original languageEnglish
Title of host publication2015 International Conference on Optical Instruments and Technology
Subtitle of host publicationOptical Systems and Modern Optoelectronic Instruments, OIT 2015
EditorsKimio Tatsuno, Xiaodi Tan, Yongtian Wang
PublisherSPIE
ISBN (Electronic)9781628417999
DOIs
Publication statusPublished - 2015
Event2015 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments, OIT 2015 - Beijing, China
Duration: 17 May 201519 May 2015

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9618
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference2015 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments, OIT 2015
Country/TerritoryChina
CityBeijing
Period17/05/1519/05/15

Keywords

  • Computer-Aided Alignment
  • Misalignment
  • Reflective Zoom System
  • Total Least Squares

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