Papers & References

Head-mounted projector with a wide visual-field and three degrees of freedom in electro-holography

LUNA Spatial Light Modulators
AR/VR/MR / Holographic Display
Published on:
Authors: Natsu Kikuchi, Seok Kang and Yuji Sakamoto
Abstract:

Due to the problem of a narrow visual-field in electro-holography, visual-field enlargement methods that are not reliant on the pixel pitch of the spatial light modulator have been studied. This paper proposes a head-mounted projector (HMP), with which a reconstructed image is projected from the projector attached to the head, and the reconstructed image is observed by reflecting light on a concave-mirror screen. This HMP enables open view, suppresses image distortion due to concave mirrors, achieves three degrees of freedom, and responds to changes in the user-head rotation. HMP is expected to be applied to holographic-projection techniques.

Open Access

Publication: Applied Optics
Issue/Year: Appl. Opt. 64, B58-B64 (2025)
DOI: 10.1364/AO.544793
Link: https://doi.org/10.1364/AO.544793
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