In this paper, we suggest and demonstrate a technique for summation of moire fringes. We show that summation of fringes requires the formation of a conjugate grating, analogous to a conjugate wave in interferometry. A detailed example of fringe summation in moire deflectometry is presented.
© 1983 Optical Society of America
A. Livnat and O. Kafri, "Fringe addition in moire analysis," Appl. Opt. 22, 3013-3015 (1983)