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An Iterative Fourier Transform Algorithm for digital hologram generation using phase-only information and its implementation in a fixed-point digital signal processor |
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| Authors: | Yasuhiro Torii Leandro Balladares-Ocaña J Martínez-Castro |
| Institution: | 1. Polytechnic University in Kanagawa, 4-1-1, Hashimotodai, Midori-ku, Sagamihara-shi, Kanagawa 252-5196, Japan;2. Centro de Investigación en Computación, IPN, Av. Juan de Dios Bátiz s/n casi esq. Miguel Othón de Mendizábal, Unidad Profesional Adolfo López Mateos, Col. Nueva Industrial Vallejo Delegación Gustavo A. Madero, CP 07738, México, DF, Mexico |
| Abstract: | An Iterative Fourier Transform Algorithm (IFTA) for digital hologram generation from a digital image using phase-only information is described in this paper. The algorithm is implemented in a Texas Instruments TMS320C64x fixed point digital signal processor (DSP). The holograms are reconstructed in real time using a liquid crystal display system and a He–Ne laser. The ideas described in this paper can be extended to digital hologram generation of three-dimensional objects and their reconstruction in real time using liquid crystal spatial light modulators, which could be a way for 3D-display systems. |
| Keywords: | Fourier transform Holograms LASER |
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