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physics.optics2023
Spatial resolution enhancement in holographic imaging via angular spectrum expansion
Byung Gyu Chae
Digital holography numerically restores three-dimensional image information using optically captured diffractive waves. The required bandwidth is larger than that of hologram pixel…
physics.optics2023
Viewing-angle expansion of holographic image using enhanced-NA Fresnel hologram
Byung Gyu Chae
The expansion of viewing angle is a crucial factor in holographic displays implemented with a spatial light modulator having a finite space-bandwidth. The enhanced-NA Fresnel holog…