DEVICE AND METHOD FOR MEASURING THE SHAPE OF A MIRROR OR OF A SPECULAR SURFACE

摘要

A device for measuring a shape of a surface. The device includes a first monodirectional-pattern gauge illuminated by first lighting mechanism, thereby making it possible to measure the shape in relation to a first direction, and a second gauge with monodirectional pattern perpendicular to the pattern of the first gauge making it possible to measure the shape in relation to a second direction perpendicular to the first direction. The second gauge is produced in the same plane as the first gauge by an additional lighting mechanism that is only turned on when the first lighting mechanism is turned off.