Digital wavefront measuring interferometer for testing optical surfaces and lenses. Bruning, J. H. ; Herriott, D. R. ; Gallagher, J. E. ; Rosenfeld, D. P. ; White, A. D. ; Brangaccio, D. J. Abstract Publication: Applied Optics Pub Date: 1974 DOI: 10.1364/AO.13.002693 Bibcode: 1974ApOpt..13.2693B