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Researchers at the University of Tokyo have proposed a new method to build a two-layer holographic display using a smartphone screen and a single spatial light modulator for generating three-dimensional full-color holographic images. Unlike traditional laser holography, this method uses an incoherent light source, avoiding the complexity and cost of lasers and reducing eye risks.
They developed new algorithms to manage the propagation of incoherent light and achieved high-quality 3D image reproduction by solving an inverse problem to optimize the displayed hologram. This innovation is expected to make holographic technology more suitable for everyday applications such as augmented reality and virtual reality.
(Source: displaydaily Image source: freepik)
