Journal
OPTICS EXPRESS
Volume 21, Issue 1, Pages 935-948Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.21.000935
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A fast calculation method for computer generation of spherical holograms in proposed. This method is based on wave propagation defined in spectral domain and in spherical coordinates. The spherical wave spectrum and transfer function were derived from boundary value solutions to the scalar wave equation. It is a spectral propagation formula analogous to angular spectrum formula in cartesian coordinates. A numerical method to evaluate the derived formula is suggested, which uses only N(logN)(2) operations for calculations on N sampling points. Simulation results are presented to verify the correctness of the proposed method. A spherical hologram for a spherical object was generated and reconstructed successfully using the proposed method. (C) 2013 Optical Society of America
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