Optical systems 6 Programmable apodizer Diffractive optical elements 4 Fresnel lens 4 Light modulation 4 Light modulators 4 Liquid crystals 4 Optical filters 4 Phase-only modulation 4 Aberrations 2 Amplitude apodized Fresnel lens 2 Amplitude apodizers 2 Amplitude modulation 2 Amplitude only modulation 2 Amplitude-only modulation 2 Chromatic aberration 2 Color 2 Diffractive optics 2 Fresnel lenses 2 Functions 2 Inherent equivalent apodizing effect 2 Inherent equivalent apodizing effects 2 Irradiation 2 Liquid crystal display 2 Liquid crystal displays 2 Longitudinal secondary axial colors (LSAC) 2 Mathematical models 2 Nematic liquid crystals 2 Numerical analysis 2 Numerical methods 2