Abstract
In this study, a computer-generated holography based on the three-dimensional (3-D) modified Gerchberg–Saxton algorithm (MGSA) for phase retrieval is proposed and demonstrated in a panoramic projection system. The point-based Fresnel transform is utilized in the MGSA to retrieve the panoramic computer-generated phase-only hologram (CGPOH) of a 3-D object considering the different viewing angles of the object. The CGPOH capable of panoramic 3-D projections can be determined using the rotation matrices and illuminating the light sources at the corresponding viewing angles. Computer simulations and optical experiments are conducted to verify that the determined CGPOH can successfully generate the panoramic projection images with various depths and at different viewing angles.
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