Computer-generated holograms of diffused objects

Antonio Fimia; Maria Teresa Navarro; Juan Jose Egozcue

doi:10.1117/12.47038

1 September 1991 Computer-generated holograms of diffused objects

Antonio Fimia, Maria Teresa Navarro, Juan Jose Egozcue

Proceedings Volume 1507, Holographic Optics III: Principles and Applications; (1991) https://doi.org/10.1117/12.47038
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

Computer-generated holograms of a diffused object can be generated as the sum of intensity holograms obtained by interference of each point of the object with the reference beam. Thus the intermodulation noise is avoided. According to this, the authors have obtained computer- generated holograms of a square diffused object, and they were represented in a computer screen. By means of a photo-reduction process, they were stored in an emulsion 8E56 HD. The diffraction effiency (DE) and the signal-to-noise ratio (SNR) was evaluated in the reconstructed real image. A DE of 1% and a SNR of 100 have been obtained.

Citation Download Citation

Antonio Fimia, Maria Teresa Navarro, and Juan Jose Egozcue "Computer-generated holograms of diffused objects", Proc. SPIE 1507, Holographic Optics III: Principles and Applications, (1 September 1991); https://doi.org/10.1117/12.47038

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