Journal
OPTICS LETTERS
Volume 43, Issue 15, Pages 3678-3681Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.43.003678
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Funding
- Defense Advanced Research Projects Agency (DARPA) [HR0011-12-2-0007]
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We demonstrate a chip-scale autostereoscopic image projection system that utilizes a system of multiple integrated visible light optical phased arrays to reconstruct virtual light fields. Each phased array in this system serves as a microprojector that illuminates the desired virtual object from a different angle. This recreates the virtual object in space with continuous parallax observable by the human visual system. In this work, a static virtual image with horizontal parallax and a viewing angle of 5 degrees was generated with an array of 16 integrated silicon nitride phased arrays with a 635 nm operating wavelength. Each phased array is comprised of 32 x 32 optical antennas with passively encoded relative phases. The presented device demonstrates the promise of integrated visible light phased array platforms for implementing projection-based autostereoscopic displays in compact chip-scale platforms suitable for mobile devices. (C) 2018 Optical Society of America
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