Inventor
HUMBEL WILLIAM D
US5 patents
Patents
5 patentsUS5155544AOct 13, 1992
Foucault method for testing an optical surface
EASTMAN KODAK CO3 citations60
US4993831AFeb 19, 1991
Closed loop Foucault knife-edge test
EASTMAN KODAK CO3 citations60
US4979819ADec 25, 1990
Foucault knife-edge test for quantitatively determining a wavefront aberration over the entire surface of an optical imaging device
EASTMAN KODAK CO5 citations60
US4969737ANov 13, 1990
Expanded foucault knife-edge test for quantitatively testing an optical imaging device
EASTMAN KODAK CO2 citations60
US5020905AJun 4, 1991
Application of the Foucault knife-edge test to a segmented optic
EASTMAN KODAK CO1 citations50