Using a matrix formulation of Fresnel diffraction, we describe discrete gratings that exhibit self-images at fractions of the Talbot distance. Such structures are obtained as solutions of an eigenvalue equation.
© 1996 Optical Society of America
Victor Arrizón and Juan G. Ibarra, "Self-imaging of discrete gratings at fractions of the Talbot distance: an eigenvalue problem," Opt. Lett. 21, 378-380 (1996)