Using saddle points for challenging optical design tasks

Instabilities and fractal basins of attraction in optical system optimization

Nieuwe oplossingen in lensontwerp door het construeren van zadelpunten

Finding new local minima in lens design landscapes by constructing saddle points.

Chaotic behavior in an algorithm to escape from poor local minima in lens design

Finding order in the design landscape of simple optical systems

Are well-known optical design tools sometimes unpredictable?

Finding order in the optical design landscape

A Systematic Analysis of the Optical Merit Function Landscape. Towards Improved Optimization Methods in Optical Design.

Finding order in an optimization landscape with multiple local minima. Example from optics

Finding order in the optical design landscape

Saddle points reveal essential properties of the merit-functions landscape

Looking for order in the optical design landscape .

Practical guide to saddle-point construction in lens design.

Predictability and unpredictability in optical system optimization

Is the Order in the Merit function Landscape of Optical Systems?

Looking for order in the optical design landscape.

Looking for order in the optical design landscape.

Generating saddle points in the merit function landscape of optical systems

Saddle points in the merit function landscape of systems of thin lenses in contact