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Optica Publishing Group
  • Journal of the Optical Society of Korea
  • Vol. 4,
  • Issue 1,
  • pp. 48-53
  • (2000)

Twin-Image Noise Effects in Optical scanning Holography

Open Access Open Access

Abstract

In Optical Scanning Holography(OSH), 3-D holographic information of an object is generated by 2-D active optical scanning. The optical scanning beam can be a time-dependent Gaussian apodized Fresnel zone plate. In this technique, the holographic information manifests itself as an electric signal which can be sent to an electron-beam-addressed spatial light modulator for coherent image reconstruction. In this paper, we briefly review optical scanning holography and analyze the resolution achievable with the system. We also present mathmatical expressions of real and virtual images which are responsible for holographic image reconstruction. We then show the twin-image noise effect on the reconstruction in conjunction with the size of the Fresnel zone pattern through computer simulation.

© 2000 Optical Society of Korea

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