Development of scanning holographic display using MEMS SLM

Yasuhiro Takaki

doi:10.1117/12.2246527

31 October 2016 Development of scanning holographic display using MEMS SLM

Yasuhiro Takaki

Proceedings Volume 10022, Holography, Diffractive Optics, and Applications VII; 100220J (2016) https://doi.org/10.1117/12.2246527
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

Holography is an ideal three-dimensional (3D) display technique, because it produces 3D images that naturally satisfy human 3D perception including physiological and psychological factors. However, its electronic implementation is quite challenging because ultra-high resolution is required for display devices to provide sufficient screen size and viewing zone. We have developed holographic display techniques to enlarge the screen size and the viewing zone by use of microelectromechanical systems spatial light modulators (MEMS-SLMs). Because MEMS-SLMs can generate hologram patterns at a high frame rate, the time-multiplexing technique is utilized to virtually increase the resolution. Three kinds of scanning systems have been combined with MEMS-SLMs; the screen scanning system, the viewing-zone scanning system, and the 360-degree scanning system. The screen scanning system reduces the hologram size to enlarge the viewing zone and the reduced hologram patterns are scanned on the screen to increase the screen size: the color display system with a screen size of 6.2 in. and a viewing zone angle of 11° was demonstrated. The viewing-zone scanning system increases the screen size and the reduced viewing zone is scanned to enlarge the viewing zone: a screen size of 2.0 in. and a viewing zone angle of 40° were achieved. The two-channel system increased the screen size to 7.4 in. The 360-degree scanning increases the screen size and the reduced viewing zone is scanned circularly: the display system having a flat screen with a diameter of 100 mm was demonstrated, which generates 3D images viewed from any direction around the flat screen.

Citation Download Citation

Yasuhiro Takaki "Development of scanning holographic display using MEMS SLM", Proc. SPIE 10022, Holography, Diffractive Optics, and Applications VII, 100220J (31 October 2016); https://doi.org/10.1117/12.2246527

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KEYWORDS

Holography

3D displays

3D image processing

Holograms

Imaging systems

Microelectromechanical systems

Spatial light modulators

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