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New device measures curved mirrors' absolute shape to within 2 nanometers without touching them

Researchers at AIST have developed a device that measures the absolute surface profile of curved optical elements with high precision without touching them.

Published Sep 30, 2026 · 5:00 AMOriginal source: Phys.org - latest science and technology news stories1 reads
Researchers at AIST have developed a device that measures the absolute surface profile of curved optical elements with high precision without touching them.
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Phys.org - latest science and technology news stories

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