Abstract

We propose a method using phase encryption and hologram multiplexing to encode positional information into the hologram, which can be used during readout to find the correct position of the reference beam. We also include a method to align the position of the phase code in the reference beam during readout, with which we achieved approximately 1/100 hologram size (4.4μm) precision electronically, without the need of a precise mechanical hologram positioning device. We prove the feasibility of the method with experiments.

© 2010 Optical Society of America

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