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­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.

From Space.com
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