New device measures curved mirrors' absolute shape to within 2 nanometers without touching them
Scientists have created a new device capable of measuring the precise shape of curved mirrors, to within 2 nanometers. This is achieved without physically touching the mirrors themselves. The technology is used for optical elements.
Why it's good news: This innovation could lead to advancements in precision optics and potentially improve performance in various applications, such as telescopes or medical equipment.
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