In Fig. P.10.18a and b arc the electric field and irradiance distributions, respectively,...

In Fig. P.10.18a and b arc the electric field and irradiance distributions, respectively, in the far field for a configuration of elongated rectangular apertures. Describe the arrangement of holes that would give rise to such patterns and discuss your reasoning.

Figure P.10.18 (Photo courtesy R. G. Wilson, Illinois Wesleyan University.)