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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 2,
  • Issue 5,
  • pp. 265-267
  • (2004)

The reconstruction of diffractive object digital hologram at a short distance

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Abstract

By using a spherical wave as the reference wave, we recorded the in-line phase-shifting digital hologram of the 25th element of Chinese standard No. 3 resolution test pattern, and gave the corresponding numerical reconstructed results. Some problems concerning with the digital hologram recording and reconstruction of the diffractive object at a short distance are discussed. The experimental result shows that the resolution of the reconstructed image is better than 10 um, which is the limit by using this experimental arrangement.

© 2005 Chinese Optics Letters

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