Comparison and verification of numerical reconstruction methods in digital holography

Changgeng Liu; Dayong Wang; Yizhuo Zhang

doi:10.1117/1.3251340

1 October 2009 Comparison and verification of numerical reconstruction methods in digital holography

Changgeng Liu, Dayong Wang, Yizhuo Zhang

Author Affiliations +

Optical Engineering, Vol. 48, Issue 10, 105802 (October 2009). https://doi.org/10.1117/1.3251340

Abstract

The expressions for the reconstructed field from the sample of the diffracted wave, which is produced by illuminating an object, are found by use of different diffraction integrals in the digital holography. The numerical reconstruction methods that truncate and sample this field are compared in overlapping quality, accuracy, pixel resolution, computation window, and speed. The fast Fourier transform (FFT)-based direct integration method for the Fresnel integral and the modified FFT-based direct integration method for the Rayleigh-Sommerfeld integral have similar overlapping quality and can flexibly control pixel resolution and computation window size. Meanwhile, the FFT-based angular spectrum method is superior to the FFT-based convolution method in accuracy and speed. The experimental results are presented to verify these consequences.

©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Changgeng Liu, Dayong Wang, and Yizhuo Zhang "Comparison and verification of numerical reconstruction methods in digital holography," Optical Engineering 48(10), 105802 (1 October 2009). https://doi.org/10.1117/1.3251340

Published: 1 October 2009

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