Analysis of the pi phase-shifts obtained in the Fourier spectra of phase gratings and grids by using two-window grating interferometry

by N.-I. Toto-Arellano, G. Rodríguez-Zurita, A. Martínez García, J.F. Vázquez-Castillo, J.A. Rayas Álvarez
Published in Revista Mexicana de Física (2010)