Fast computation method for a Fresnel hologram using three-dimensional affine transformations in real space
Applied Optics, Vol. 48, Issue 34, pp. H212-H221 (2009)
http://dx.doi.org/10.1364/AO.48.00H212
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Abstract
Calculating computer-generated holograms takes a tremendous amount of computation time. We propose a fast method for calculating object lights for Fresnel holograms without the use of a Fourier transform. This method generates object lights of variously shaped patches from a basic object light for a fixed-shape patch by using three-dimensional affine transforms. It can thus calculate holograms that display complex objects including patches of various shapes. Computer simulations and optical experiments demonstrate the effectiveness of this method. The results show that it performs twice as fast as a method that uses a Fourier transform.
© 2009 Optical Society of America
OCIS Codes
(090.0090) Holography : Holography
(090.1760) Holography : Computer holography
ToC Category:
Computer-Generated Holography
History
Original Manuscript: July 2, 2009
Revised Manuscript: October 20, 2009
Manuscript Accepted: October 21, 2009
Published: November 11, 2009
Citation
Hironobu Sakata and Yuji Sakamoto, "Fast computation method for a Fresnel hologram using three-dimensional affine transformations in real space," Appl. Opt. 48, H212-H221 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-34-H212
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