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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.

Phys.org ScienceSeptember 29, 20261 min read
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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.

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Phys.org Science
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