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Optics Letters|February 27, 2026
Design method for C2-continuous tiled freeform lens arraysKarel Desnijder
Optics Express|September 10, 2020
Freeform Fresnel lenses with a low number of discontinuities for tailored illumination applicationsKarel Desnijder, Peter Hanselaer, Youri Meuret
Optics Letters|December 15, 2017
Flexible design method for freeform lenses with an arbitrary lens contourKarel Desnijder, Peter Hanselaer, Youri Meuret
Optics Letters|February 16, 2019
Ray mapping method for off-axis and non-paraxial freeform illumination lens designKarel Desnijder, Peter Hanselaer, Youri Meuret
Optics Express|February 14, 2023
Programmable freeform optics with extended white light sources: possibilities and limitationsNick Rondelez, Karel Desnijder, Wouter Ryckaert, et al.
Optics Express|December 28, 2019
Luminance spreading freeform lens arrays with accurate intensity controlKarel Desnijder, Wouter Ryckaert, Peter Hanselaer, et al.
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