Finding the optimal starting configuration in optical design, when image plane location is a design parameter, using a diapoint-based error function

Sergio Barbero

doi:10.1117/12.2305335

5 June 2018 Finding the optimal starting configuration in optical design, when image plane location is a design parameter, using a diapoint-based error function

Sergio Barbero

Author Affiliations +

Proceedings Volume 10690, Optical Design and Engineering VII; 106900K (2018) https://doi.org/10.1117/12.2305335
Event: SPIE Optical Systems Design, 2018, Frankfurt, Germany

Abstract

Typical error functions used in optical design (imaging applications) exhibit non-linear landscapes (with refer- ence to the design parameters) with multiple minima. This makes optimization a challenging problem. Global search optimization algorithms could address such situations, but still local search ones are, in many cases, more convenient to avoid excessive computational cost. Local search algorithms highly depend on a suitable selection of the starting system configuration. In this work, a diapoint-based optical metric (without reference to the paraxial focus) is proposed to find the optimal starting point, in rotationally symmetric optical systems. The potentials of the idea are shown by means of simulations carried out in a cemented achromatic doublet that includes image plane location as a design parameter.

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Sergio Barbero "Finding the optimal starting configuration in optical design, when image plane location is a design parameter, using a diapoint-based error function", Proc. SPIE 10690, Optical Design and Engineering VII, 106900K (5 June 2018); https://doi.org/10.1117/12.2305335

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KEYWORDS

Optical design

Lens design

Optimization (mathematics)

Geometrical optics

Imaging systems

Optical imaging

Ray tracing

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