Abstract

A system for recording and reproducing information using Fourier transform holography wherein original information to be recorded as holograms is divided into a number of groups each including N(N ࣙ2) information units, each unit including a given amount of information. This information is recorded by a holographic technique on a track or tracks of a record medium as a series of holograms from a plurality of unit-information input positions, or from a single unit-information input position when a reference light having a plurality of incident angles is used. In reproducing, the images either analog or digital are reproduced such that images reproduced from adjacent holograms in the series of holograms on the track appear at, at least two different positions on an image plane of a reproducing system such as pickup tubes or a photodiode array. In this way, optical crosstalk between adjacent holograms which would otherwise occur in sequentially reading out a number of holograms can be avoided and the information can be read out correctly.