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Updated: Mar 19, 2026

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

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Published on: July 5, 2016

Lensless variable magnification by 200 µm single-fiber ghost imaging.

Toshitaka Wakayama, Rikuto Kondo, Eri Sanada

|March 17, 2026

Summary

This summary is machine-generated.

This study presents lensless variable magnification ghost imaging using a single fiber, achieving 10 µm spatial resolution. The method allows adjustable resolution and field of view for enhanced imaging applications.

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Area of Science:

Optics and Photonics
Computational Imaging

Background:

Ghost imaging offers a unique approach to image reconstruction.
Lensless imaging techniques reduce system complexity and cost.

Purpose of the Study:

To demonstrate lensless variable magnification using single-fiber ghost imaging.
To achieve high spatial resolution (10 µm) and tunable imaging parameters.

Main Methods:

Utilized a 200 µm single-fiber for ghost imaging.
Varied analysis region size (540x540, 200x200, 100x100 pixels) and sampling intervals.
Evaluated imaging performance with and without pixel binning.

Main Results:

Achieved a spatial resolution of 10 µm.
Successfully visualized a 30 µm particle size target without pixel binning in a 100x100 pixel region.
Demonstrated variable magnification by adjusting analysis region and sampling.

Conclusions:

Lensless variable magnification ghost imaging is feasible with single-fiber systems.
The proposed method offers flexibility in spatial resolution and field of view.
This technique has potential for high-resolution, cost-effective imaging solutions.