2 papers
physics.optics2025
Metapinhole: Planar Fourier Optics Without Lenses
Mahmoud A. A. Abouelatta, Karim Achouri
The 4f lens system is a standard Fourier-optics building block for angular control in optical platforms such as spatial light modulators, imaging systems, and data storage devices.…
physics.optics2024
Step Function in Momentum Space by a Metagrating
Mahmoud A. A. Abouelatta, Sergejs Boroviks, Olivier J. F. Martin +1
Metasurface research has shown significant potential for controlling the polarization, amplitude, phase and propagation direction of light. Nevertheless, control over the angular r…