Open AccessVerification of transverse translation diverse phase retrieval for concave optical metrology
Author(s) -
Aaron M. Michalko,
James R. Fienup
Publication year - 2018
Publication title -
optics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.524
H-Index - 272
eISSN - 1071-2763
pISSN - 0146-9592
DOI - 10.1364/ol.43.004827
Subject(s) - optics , metrology , interferometry , wavefront , translation (biology) , transverse plane , phase retrieval , surface metrology , phase (matter) , physics , adaptive optics , fourier transform , profilometer , surface roughness , biochemistry , chemistry , structural engineering , quantum mechanics , messenger rna , gene , engineering
The surface figure error of a concave spherical mirror was measured using transverse translation diverse phase retrieval (TTDPR), an image-based wavefront sensing technique. Good reproducibility of the surface measurement is demonstrated. Additionally, the TTDPR measurement of the surface, with certain alignment terms removed, is shown to agree with interferometric measurements to 0.0060 waves root mean square.
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