Thursday, January 25, 2018

Look, no holograms: but still a moving image floats in space

US researchers are creating images in free space without using holograms. Instead, the team from Brigham Young University have created something like a 3D printer for the air. It uses a laser to trap a tiny particle of cellulose using spherical and astigmatic optical aberrations – a photophoretic particle trap – and then the same ...

This story continues at Look, no holograms: but still a moving image floats in space

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