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Related Experiment Video

Updated: May 24, 2026

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
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Rotation-free holographic imaging with extended arc reference.

Pengfei Lan1, Eiji J Takahashi, Katsumi Midorikawa

  • 1Extreme Photonics Research Group, RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.

Optics Express
|March 16, 2012
PubMed
Summary

We developed a novel, rotation-free holographic imaging technique using an extended arc reference. This method retrieves object information from diffraction intensity, overcoming convergence issues in coherent diffractive imaging for high-resolution results.

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Area of Science:

  • Optics and Photonics
  • Holography
  • Image Reconstruction

Background:

  • Coherent diffractive imaging (CDI) is a powerful lensless imaging technique.
  • CDI often faces convergence issues and requires precise sample and reference information.
  • Existing holographic methods can be sensitive to rotational misalignment.

Purpose of the Study:

  • To introduce a rotation-free holographic imaging approach.
  • To enable object retrieval without prior knowledge of sample or reference.
  • To address convergence challenges in coherent diffractive imaging.

Main Methods:

  • Utilized an extended arc reference for holographic recording.
  • Employed a two-step algorithm for object retrieval from diffraction intensity.

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Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects
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Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects

Published on: February 8, 2014

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Last Updated: May 24, 2026

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
10:28

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

Published on: July 5, 2016

Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects
10:16

Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects

Published on: February 8, 2014

  • Experimental demonstration of the proposed method.

    • Main Results:

    • Successfully demonstrated a rotation-free holographic imaging system.
    • Achieved object reconstruction without prior sample or reference information.
    • The method alleviates convergence problems inherent in CDI.

    Conclusions:

    • The proposed rotation-free holographic imaging scheme offers a robust alternative to conventional CDI.
    • This approach facilitates high-resolution imaging with reduced experimental complexity.
    • It holds promise for advanced applications in microscopy and materials science.