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New device can control mild at unparalleled speeds | MIT News

In a scene from “Star Wars: Episode IV — A New Hope,” R2D2 projects a three-dimensional hologram of Princess Leia producing a desperate plea for assistance. That scene, filmed much more than 45 decades ago, concerned a little bit of motion picture magic — even now, we never have the technological know-how to build this sort of sensible and dynamic holograms.

Creating a freestanding 3D hologram would call for really precise and rapid handle of gentle further than the capabilities of existing technologies, which are dependent on liquid crystals or micromirrors.

An worldwide team of scientists, led by a crew at MIT, put in far more than four decades tackling this difficulty of higher-pace optical beam forming. They have now shown a programmable, wireless product that can command light-weight, this kind of as by concentrating a beam in a unique path or manipulating the light’s intensity, and do it orders

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