SHIFT MULTIPLEXING WITH SPHERICAL REFERENCE WAVES

Shift multiplexing is a holographic storage method particularly suitab le for the implementation of holographic disks. We characterize the pe rformance of shift-multiplexed memories by using a spherical wave as t he reference beam. We derive the shift, selectivity, the cross talk, t he exposure schedule, and the storage density of the method. We give e xperimental results to verify the theoretical predictions. (C) 1996 Op tical Society of America