%0 Journal Article %A Juncos del Egido, Purificación %A Calvo Padilla, María Luisa %T Corrections to Raman-Nath Diffraction by Volume Holograms %D 1982 %@ 0030-3909 %U https://hdl.handle.net/20.500.14352/64946 %X In this work we present a general formulation of the corrections to the Raman-Nath approximation for the diffracted field by a volume hologram, based on integral equations. An approximate analytic expression is given for the first correction. Numerical evaluations of this correction are also presented. %~