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Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

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Published on: July 5, 2016

360° reconstruction of a 3D object using cylindrical computer generated holography.

Boaz Jessie Jackin¹, Toyohiko Yatagai

¹Center for Optics Research and Education, Utsunomiya University, Utsunomiya, Japan 320-0072.

|December 24, 2011

Summary

Researchers simulated 360° 3D object reconstruction from cylindrical holograms. This fast method uses spectral domain wave propagation and cylindrical coordinates for hologram generation and object reconstruction.

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Area of Science:

Optics and Photonics
Computational Imaging
3D Reconstruction

Background:

Holography enables 3D visualization.
Cylindrical holography offers a unique approach to capturing 3D information.
Efficient simulation methods are crucial for advancing holographic technologies.

Purpose of the Study:

To propose a simulated reconstruction method for 3D objects using cylindrical holograms.
To demonstrate a 360° viewing capability for reconstructed objects.

Main Methods:

A fast calculation method employing wave propagation in the spectral domain.
Utilizing cylindrical coordinates for hologram generation and reconstruction.
Implementation using open-source software.

Main Results:

Successful simulation of 3D object reconstruction from cylindrical holograms.
Reconstructed objects accurately resembled the original.
Achieved 360° viewing of the reconstructed 3D objects.

Conclusions:

The proposed simulation method is effective for 3D object reconstruction from cylindrical holograms.
The technique allows for full 360° viewing of objects.
Open-source software facilitates accessible implementation of this holographic simulation.