Global optimization using the y-ybar diagram

Daniel M. Brown

doi:10.1117/12.48634

1 December 1991 Global optimization using the y-ybar diagram

Daniel M. Brown

Proceedings Volume 1527, Current Developments in Optical Design and Optical Engineering; (1991) https://doi.org/10.1117/12.48634
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Software is under development at Teledyne Brown Engineering to represent a lens configuration as a y-ybar or Delano diagram. The program determines third-order Seidel and chromatic aberrations for each configuration. It performs a global search through all valid permutations of configuration space and determines, to within a step increment of the space, the configuration with smallest third-order aberrations. The program was developed to generate first-order optical layouts which promised to reach global minima during subsequent conventional optimization. Other operations allowed by the program are: add or delete surfaces, couple surfaces (for Mangin mirrors), shift the stop position, and display first-order properties and the optical layout (surface radii and thicknesses) for subsequent entry into a conventional lens-design program with automatic optimization. Algorithms for performing some of the key functions, not covered by previous authors, are discussed in this paper.

Citation Download Citation

Daniel M. Brown "Global optimization using the y-ybar diagram", Proc. SPIE 1527, Current Developments in Optical Design and Optical Engineering, (1 December 1991); https://doi.org/10.1117/12.48634

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