Computer-generated holograms of linear segments

Maria Teresa Navarro; Juan Jose Egozcue; Antonio Fimia

doi:10.1117/12.47036

1 September 1991 Computer-generated holograms of linear segments

Maria Teresa Navarro, Juan Jose Egozcue, Antonio Fimia

Proceedings Volume 1507, Holographic Optics III: Principles and Applications; (1991) https://doi.org/10.1117/12.47036
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

Hologram generation by means of computers has been developed during the last three decades. The most frequently used methodology is the Fourier method. However, these techniques are not completely adequate to obtain holograms for 3-D display. A method of calculating holograms of parametric curves and surfaces is presented. These holograms are well suited to 3-D display although, in practice, their size is small. Holograms are obtained regardless of the position and the size of the object. Furthermore, the effects of the intermodulation noise are theoretically eliminated by cancelling the corresponding terms in the expression of the hologram. Thus, this technique is easily extended to combinations of curves or surfaces. Calculations can be carried out using suitable numerical approximations. Although the method is quite general, results are presented for linear segments. One example of a linear segment hologram has been represented on a computer screen. After photo-reduction, the segment has been successfully reconstructed.

Citation Download Citation

Maria Teresa Navarro, Juan Jose Egozcue, and Antonio Fimia "Computer-generated holograms of linear segments", Proc. SPIE 1507, Holographic Optics III: Principles and Applications, (1 September 1991); https://doi.org/10.1117/12.47036

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