Noise reduction in holographic images
Coherent noise, including the speckle pattern, is supressed in images that are formed by holograms and reimaged by lenses. The excess bandwidth of the holograms and a moving grating are used to form a semicoherent image with reduced noise level.
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| Veröffentlicht in: | Optics communications 1973-12, Vol.9 (4), p.348-349 |
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| Hauptverfasser: | , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | Coherent noise, including the speckle pattern, is supressed in images that are formed by holograms and reimaged by lenses. The excess bandwidth of the holograms and a moving grating are used to form a semicoherent image with reduced noise level. |
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| ISSN: | 0030-4018 1873-0310 |
| DOI: | 10.1016/0030-4018(73)90267-8 |