Holography Method Creates Animations in Free Space - IDEX Health & ScienceIDEX Health & Science

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    Holography Method Creates Animations in Free Space

    Article obtained from Photonics RSS Feed.

    A holography technique developed at Brigham Young University enables the creation of light-based animations that can be seen with the naked eye, without a screen.

    Electrical engineering professor Dan Smalley and his team garnered international attention in 2018 when they demonstrated the ability to draw screenless, free-floating images in free space, called optical trap displays. That technique uses photophoretic trapping, and traps a single particle in the air with a laser beam. The particle is illuminated by visible lasers and then moved around, leaving behind a laser illuminated path that floats in the air.

    The current research development builds on that foundation to now produce simple animations in the air.
    The…

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    May, 13 2021 |

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