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Glasses-free 3-D could be coming to a mobile display near you

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Ashley N. Rice, [email protected]

While developing optical interconnect technology, engineers at Hewlett-Packard Laboratories realized what they had created could be much more: a multiangle, glasses-free 3-D display technology for mobile devices. Dr. David Fattal is a member of HP’s Information and Quantum Systems Lab. “I realized that the grating coupler technology we were developing to connect optical fibers to photonic integrated circuits would be a killer technology to create multiview images from a very compact and portable screen,” he told Photonics Spectra. “It took our team only three...Read full article

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    Published: June 2013
    Glossary
    diffractive optics
    Optical elements that use diffraction to control wavefronts. Diffractive optical elements include diffraction gratings, surface-relief diffractive lenses, holographic optical elements and computer-generated holograms. Fabrication methods include diamond machining, interference of coherent beams (holography), injection molding and advanced microlithographic techniques. See also binary optics; holographic optical element.
    integrated photonics
    Integrated photonics is a field of study and technology that involves the integration of optical components, such as lasers, modulators, detectors, and waveguides, on a single chip or substrate. The goal of integrated photonics is to miniaturize and consolidate optical elements in a manner similar to the integration of electronic components on a microchip in traditional integrated circuits. Key aspects of integrated photonics include: Miniaturization: Integrated photonics aims to reduce the...
    parallax
    The optical phenomenon that causes relative motion between two objects when the eyepoint is moved laterally. When parallax appears in a telescope between the image and reticle, this indicates the image has not been formed in the plane of the reticle.
    transparent
    Capable of transmitting light with little absorption and no appreciable scattering or diffusion.
    3-DAmericasbacklightConsumerDavid Fattaldiffractive opticsDisplaysFiltersHewlett-PackardHP LabsImagingintegrated photonicsLight SourcesMicroscopymultiviewNatureOpticsparallaxpixel gratingRaymond BeausoleilResearch & TechnologysmartphonestabletsTech PulsetransparentLEDs

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