Principle diagram of large-aperture differential confocal-interferometric measurement system. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Principle diagram of large-aperture differential confocal-interferometric measurement system.

Caption

(a), large-aperture laser differential confocal-interferometric measurement path; (b), large-aperture beam-expansion system; (c), large-aperture mechanical phase-shifting system; (d), laser differential confocal signal-processing module; (e), interference signal-processing module; (f), ultra-long focal length; (g), convex spherical ultra-large curvature radius; (h), concave spherical ultra-large curvature radius; (i), concave spherical interference; (j), convex spherical interference.

Credit

by Weiqian Zhao, Liang Tang, Shuai Yang, and Lirong Qiu

Usage Restrictions

Credit must be given to the creator.

License

CC BY

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.