Patent ID: 7167286
Filing Date: 2007-01-23
Classification: G03H,G11B

Abstract:
1. A method for holographic recording comprising: creating a first hologram in a holographic media using a first reference beam and a first signal beam comprising page-wise data, modulated by a spatial light modulator (SLM), the first signal beam having a beam waist; creating a second hologram using a second reference beam and a second signal beam, the second signal beam having a beam waist; overlapping at least a portion of the second hologram with the first hologram; and separating the first hologram from the second hologram such that substantially no portion of the beam waist of the first signal beam occurs at the same location as any portion of beam waist of the second signal beam, wherein the SLM is an amplitude modulating SLM, a phase modulating SLM or combinations thereof.