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Optica Publishing Group
  • Journal of the Optical Society of Korea
  • Vol. 14,
  • Issue 2,
  • pp. 104-108
  • (2010)

Extraction of a Distance Parameter in Optical Scanning Holography Using Axis Transformation

Open Access Open Access

Abstract

We proposed an axis transformation technique which reveals a distance parameter directly from optical scanning holography (OSH). After synthesis of a real-only spectrum hologram and power fringe adjusted filtering, we transform an original frequency axis to a new frequency axis using interpolation. In the new frequency axis, the filtered hologram has a single frequency which is linearly proportional to the distance parameter. Thus, the inverse Fourier transformation of the filtered hologram gives a delta function pair in the new spatial axis. Finally, we extract the distance parameter by detecting the location of the delta function pair.

© 2010 Optical Society of Korea

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