Media type: Electronic Conference Proceeding Title: Manufacture and calibration of optical supersmooth roughness artifacts for intercomparisons Contributor: Ringel, Gabriele A.; Kratz, Frank; Schmitt, Dirk-Roger; Mangelsdorf, Juergen; Creuzet, Francois; Garratt, John D. imprint: SPIE, 1995 Published in: Optical Manufacturing and Testing Extent: Language: Not determined DOI: 10.1117/12.218438 ISSN: 0277-786X Origination: Footnote: