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Amorphous Silicon Optics Enter the Visible Range

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Junsuk Rho, a professor in POSTECH’s mechanical and chemical engineering departments, has developed a transparent amorphous silicon capable of transmitting visible light. The silicon, with which the researchers were also able to effectively control light in the visible range of the spectrum, is a necessary component to the future development of paper-thin lenses for use in head-mounted displays for real-time virtual and augmented reality. The team developed the visibly transparent amorphous silicon by improving the plasma-enhanced chemical vapor deposition (PECVD) method, which is...Read full article

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    Published: February 2021
    Glossary
    display
    The observable illustration of an image, scene or data on a screen such as a console or cathode-ray tube, seen as a graph, report or drawing.
    transmittance
    The ratio of the radiant power transmitted by an object to the incident radiant power.
    transparent
    Capable of transmitting light with little absorption and no appreciable scattering or diffusion.
    virtual reality
    Virtual reality (VR) is a computer-generated simulation of a three-dimensional environment or experience that can be interacted with and explored by an individual using electronic devices, such as a headset with a display. VR aims to create a sense of presence, immersing users in a computer-generated world that can be entirely fictional or a replication of the real world. It often involves the use of specialized hardware and software to provide a fully immersive and interactive experience. ...
    augmented reality
    Augmented reality (AR) is a technology that integrates digital information, typically in the form of computer-generated graphics, images, or data, with the real-world environment in real-time. AR enhances the user's perception of the physical world by overlaying or combining digital content onto the user's view of the real world, often through devices like smartphones, tablets, smart glasses, or specialized AR headsets. Key features and principles of augmented reality: Real-time...
    Research & TechnologyOpticsMaterialslensessiliconultra-thin lensultrathin lensPECVDPostechplasma enhanced chemical vapor depositionSamsungdisplaytransmittancetransparentvirtual realityaugmented realityARVRAsia-PacificTech Pulse

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