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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 7,
  • Issue 12,
  • pp. 1146-1150
  • (2009)

Quality evaluation of phase reconstruction in LED-based digital holography

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Abstract

An approach, based on the correlation between the intensity distribution of object wave of the directly recorded by charge-coupled device and the one reconstructed by computer, is proposed to evaluate the quality of the phase reconstruction in light emitting diode (LED) based phase-shifting digital holography. This method enables us to find out the optimal reconstructed phase even though the peak wavelength of LED, which is used for calibrating the phase-shifter, is inconvenient to be determined and tends to shift with temperature and driving current. The feasibility of this method is verified by both computer simulations and experiments.

© 2009 Chinese Optics Letters

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