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Optical reconstruction of three-dimensional object from digital holograms using phase information calculated by continuous wavelet transform

Saraç Z. | Tayyar D.Ö. | Ecevit F.N.

Article | 2011 | Proceedings of SPIE - The International Society for Optical Engineering8074

We propose to record digital Fourier hologram of a 3D diffused object and to reconstruct numerically and optically by using phase-only information. This phase-only information is obtained by using 1D-Continuous Wavelet Transform (1DCWT) from the intensity of digital Fourier Hologram. 3D object image is obtained by numerical reconstruction on computer and optical reconstruction by using a phase-modulated liquid crystal spatial light modulator (SLM). Numerical and experimental results are presented. © 2011 SPIE.

Comparing of phase shifting method and one-dimensional continuous wavelet transform method for reconstruction using phase-only information

Ustabaşkaya G. | Saraç Z.

Article | 2017 | Turkish Journal of Electrical Engineering and Computer Sciences25 ( 2 ) , pp.1587 - 1597

The one-dimensional continuous wavelet transform method has some advantages in hologram reconstruction, when used in the only phase, compared with the phase shifting method. This paper aims to discuss these advantages. One advantage is related to image quality. Another advantage is less power spent and saving time, because the one-dimensional continuous wavelet transform method uses only one hologram and the phase shifting method uses four holograms for recording and reconstruction processes. One final advantage is that the one-dimensional continuous wavelet transform method can also be used in real-time applications. Within the con . . .text of the ongoing optimization studies, this study will make a significant contribution to the literature because of these mentioned advantages. © TÜBİTAK Daha fazlası Daha az

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