Fast calculation method for cylindrical computer-generated holograms | Zendy

Yusuke Sando | Zendy; Mitsuru Itoh | Zendy; Toyohiko Yatagai | Zendy

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Fast calculation method for cylindrical computer-generated holograms

Author(s) -

Yusuke Sando,

Mitsuru Itoh,

Toyohiko Yatagai

Publication year - 2005

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.13.001418

Subject(s) - fast fourier transform , convolution (computer science) , wavefront , optics , holography , diffraction , point spread function , computer science , spatial frequency , convolution theorem , fourier transform , point (geometry) , fresnel diffraction , holographic display , surface (topology) , circular convolution , algorithm , physics , mathematics , geometry , fourier analysis , mathematical analysis , artificial intelligence , fractional fourier transform , artificial neural network

We propose a fast calculation method for diffraction to nonplanar surfaces using the fast-Fourier transform (FFT) algorithm. In his method, the diffracted wavefront on a cylindrical surface is expressed as a convolution between the point response function and the spatial distribution of objects wherein the convolution is calculated using FFT. The principle of the fast calculation and the simulation results are presented.

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