Electronic Holographic Displays – 20 Years of Interactive Spatial Imaging

Lucente, Mark

doi:10.1007/978-3-540-79567-4_119

Cited by 1 publication

(2 citation statements)

References 42 publications

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“…Doing so provides the human eye with all the optical information of the original object leading to full reconstruction. For a digital holographic display, one would require small (diffraction-limited), reconfigurable elements which can locally control the properties of the optical wavefront, in order to represent the complex nature of a hologram [2,3]. The diffraction process establishes the maximum field of view (FOV) achievable by a pixelated structure obeying Bragg's law, such that 180° FOV reconstruction requires a pixel pitch of at least λ/2.…”

Section: Introductionmentioning

confidence: 99%

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Engineered pixels using active plasmonic holograms with liquid crystals

Williams

Montelongo

Tenorio-Pearl

et al. 2015

Phys. Status Solidi RRL

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Digital holography requires arrays of small reconfigurable elements to achieve complex reconstruction of the hologram with common systems based on pixels utilizing liquid crystal on silicon (LCoS) technology. The backplane of a typical pixel element is potentially underutilized and thus relatively large physical areas exist in which information can be stored and exploited to give additional functionality to pixel elements. Polarisation and wavelength dependent optical properties can be achieved in small areas using the plasmonic effects of optical antennae. The integration of LCs with optical antennae‐based plasmonic holograms allows active modulation of the far field pattern. The work here demonstrates the concept that conventional LCoS pixel elements can be greatly enhanced with the integration of plasmonic holograms, composed of optical antennae patterned on the surface, giving rise to new levels of modulation capability for holographic pixel elements. Using LCs, polarisation dependent effects in plasmonic holograms can be switched. ‘Engineered pixels', with sub‐wavelength multiplexing over both polarisation and wavelength, can increase the channel capacity of a typical LC display device. (© 2015 WILEY‐VCH Verlag GmbH &Co. KGaA, Weinheim)

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Section: Introductionmentioning

confidence: 99%

“…To date, LCoS pixel elements in SLMs provide the closest realization to true 3D holography owing to their phase modulation capabilities, performance and scalability [3]. Monochromatic light is diffracted through reconfigurable diffractive elements to form arbitrary field distributions using computer generated holograms (CGHs).…”

Section: Introductionmentioning

confidence: 99%