Change in size of 3D image using a periodic Fourier transform hologram

Kunihiro Sato; Satoshi Nakazaki; Masakazu Morimoto; Kensaku Fujii

doi:10.1117/12.473848

4 June 2003 Change in size of 3D image using a periodic Fourier transform hologram

Kunihiro Sato, Satoshi Nakazaki, Masakazu Morimoto, Kensaku Fujii

Proceedings Volume 5005, Practical Holography XVII and Holographic Materials IX; (2003) https://doi.org/10.1117/12.473848
Event: Electronic Imaging 2003, 2003, Santa Clara, CA, United States

Abstract

A method of changing in size of a three-dimensional (3D) image using a Fourier transform hologram (FTH) or a periodic FTH is described. Here, the periodic FTH is made for information reduction in hologram by superimposing a number of identical FTHs. The second hologram for reconstruction of magnified 3D images is reproduced by connecting a number of small holograms clipped from the original FTH or from the periodic FTH. Numerical calculations and experiments using the computer-generated hologram (CGH) have show that numbers of rays of light illuminated from the second hologram produce a magnified similar 3D image. Distortion of the image owing to the magnification can be avoided by reconstructing the image from a number of small holograms. Resolution, which depends on the magnifying power of the image and on the size of small holograms, is estimated by the numerical calculation.

Citation Download Citation

Kunihiro Sato, Satoshi Nakazaki, Masakazu Morimoto, and Kensaku Fujii "Change in size of 3D image using a periodic Fourier transform hologram", Proc. SPIE 5005, Practical Holography XVII and Holographic Materials IX, (4 June 2003); https://doi.org/10.1117/12.473848

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