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ACM News

­ltrathin Microlenses Could Boost Space Science and Tech

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Metasurface light

This schematic drawing shows how a "metasurface" can generate and focus radially polarized light.

Credit: Amir Arbabi/Faraon Lab/Caltech

Researchers have created the first ultrathin, flat lens able to focus light just as well as its curved counterparts, potentially enabling big breakthroughs in camera and microscope technology.

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