Science & Space DEVELOPING
New device measures curved mirrors' absolute shape to within 2 nanometers without touching them
First reported Source: Phys.orgLast editorial activity
What happened
Researchers at AIST have developed a device that measures the absolute surface profile of curved optical elements with high precision without touching them.
Sources & evidence
- Phys.org Reporting source
New device measures curved mirrors' absolute shape to within 2 nanometers without touching them ↗
https://phys.org/news/2026-09-device-mirrors-absolute-nanometers.html