Todd Blalock

Research and Development Engineer, Optimax Systems

Todd Blalock is a research and development engineer at Optimax Systems (Ontario, NY).

FIGURE 1. Fiducials can be manufactured into a freeform optic for metrology purposes; shown is a model of a freeform optic with x-, y-, and z-axis fiducials designed into the part (a) with a desired absolute position of the optic's surfaces relative to the fiducials, as well as the irregularity map for each optical surface (b).

Aspheres: Finding the right tool: metrology for the manufacture of freeform optics

Feb. 15, 2018
Three metrology tools for the measurement of freeform optics are compared: the coordinate measurement machine, a high-accuracy profilometer, and a noncontact optical technique...