The Center for Freeform Optics
An Industry/University Cooperative Research Center

Concave mirror measurement using transverse translation diverse phase retrieval

A. Michalko and J.R. Fienup

in Optical Design and Fabrication 2017 (Freeform, IODC, OFT), OSA Technical Digest (online) (Optical Society of America, 2017), paper OW2B.5 (2017).

Surface topography of a concave, spherical mirror is measured using transverse translation diverse phase retrieval, an image-based wavefront sensing technique. Phase retrieval results show quantitative agreement with independent interferometric measurements of the same optic.