Abstract
A system of two separated computer-generated holograms termed digital correlation hologram (DCH) is proposed and demonstrated. In each hologram a different computer-generated complex function is coded. The reconstructed image is obtained as a result of a spatial correlation between the hologram's two parts. The correlation between the two sub-holograms is implemented on a modified joint transform correlator. When the double-elements hologram is displayed on the correlator input plane, and illuminated by a plane wave, a desired image is constructed on part of the output plane. Experimental results are shown and possible applications of the DCH are discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 31-37 |
| Number of pages | 7 |
| Journal | Optics Communications |
| Volume | 225 |
| Issue number | 1-3 |
| DOIs | |
| State | Published - 15 Sep 2003 |
| Externally published | Yes |
Keywords
- Computer-generated holograms
- Fourier optics
- Image forming and processing
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