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Depth-enhanced head-mounted light field displays based on integral imaging

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Abstract

Conventional display systems based on integral imaging (InI) suffer from a major tradeoff between depth of field and spatial resolution. In this Letter, a new, to the best of our knowledge, a method for an InI-based light field display with an extended depth of field is proposed, where a digitally switchable multi-focal micro lens array can yield a depth of field spanning a depth range from zero to over three diopters without sacrificing either spatial resolution or form factor. A high optical performance display prototype was built and demonstrated with printed aperture arrays as a substitute for a custom-designed programmable shutter array that is still under construction.

© 2021 Optical Society of America

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