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Large-field-of-view large-size 3D holographic displays using wave-front shaping of multiple light scattering fields (HoloWS)

Project description

Extending the viewing angle and size of holographic images

Holographic display is considered the holy grail of 3D image display because it generates arbitrary wavefronts, rendering all optical cues interpreted by the human visual system. However, the information content of a hologram with a large angular extent is much greater than the display capabilities of current spatial light modulators, thereby limiting the viewing angle and size of a displayed 3D holographic image. Funded by the Marie Skłodowska-Curie Actions programme, the HoloWS project plans to develop a novel holographic display method based on wavefront shaping of multiple light scattering fields to simultaneously augment the limited viewing angle and image size.

Objective

Holographic display is considered the holy-grail of three-dimensional (3D) auto-stereo displays because it generates arbitrary wavefronts providing imagery with all the 3D visual cues. However, the information content of a hologram with a large optical extent (the product of area and field-of-view) is much greater than the display capabilities of current spatial light modulators (SLMs) due to these SLM’s low space bandwidth product (a small diffraction angle range and limited pixel number) limiting the viewing angle and size of a displayed 3D holographic image. Therefore, the SLM’s low display capabilities hinder the realization of dynamic 3D displays of holograms with a large optical extent. Here, the HoloWS project will develop a novel holographic display method based on wave-front shaping of multiple light scattering fields to augment both limited viewing angle and image size at the same time, without the aforementioned drawbacks. Using a volumetric light scattering field, generated by highly disordered turbid media mediums, in conjunction with actively controlled wavefront shaping, the HoloWS project will display dynamic holograms with significantly increased viewing angle and image size at the same time. As a result, the viewing angle and the image size are enhanced compared with the case of using the SLM only to solve the inherent trade-off between the display size and visual angle.

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Keywords

Programme(s)

Topic(s)

Funding Scheme

MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)

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Call for proposal

(opens in new window) H2020-MSCA-IF-2020

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Coordinator

UNIVERSIDAD COMPLUTENSE DE MADRID
Net EU contribution
€ 172 932,48
Address
AVENIDA DE SENECA 2
28040 Madrid
Spain
Region
Comunidad de Madrid Comunidad de Madrid Madrid
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 172 932,48