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Updated: Jan 6, 2026

Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution

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Super-Resolution Scanning Transmission X-Ray Imaging Using Single Biconcave Parabolic Refractive Lens Array.

T Mamyrbayev¹, K Ikematsu^2,3, P Meyer²

¹Institute of Microstructure Technology, Karlsruhe Institute of Technology, Karlsruhe, Germany. talgat.mamyrbayev@kit.edu.

Scientific Reports

|October 9, 2019

Summary

This summary is machine-generated.

A novel super-resolution X-ray imaging technique uses scanning microprobes and large detector pixels to achieve sub-micrometer resolution. This method significantly reduces scan times for advanced microscopic imaging applications.

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Area of Science:

Physics
Materials Science
Imaging Technology

Background:

Traditional X-ray imaging is limited by detector pixel size, hindering sub-micrometer resolution.
Achieving high spatial resolution often requires lengthy scanning times and specialized detectors.

Purpose of the Study:

To propose and demonstrate a new super-resolution X-ray imaging technique.
To enable sub-micrometer spatial resolution using a detector with pixels larger than the resolution.
To significantly reduce scanning time in high-resolution imaging.

Main Methods:

Utilized sample scanning with periodically spaced X-ray microprobes.
Employed a one-dimensional nickel single lens array fabricated by deep X-ray lithography.
Reconstructed super-resolution images using detector data and sample position information.

Main Results:

Achieved 2 µm X-ray microprobes with a 10 µm period.
Successfully resolved a 1.5 µm structure using a detector with 10.4 µm pixels.
Demonstrated the feasibility of the technique at the KARA synchrotron facility.

Conclusions:

The proposed technique offers a new microscopic imaging modality.
It provides a large field of view and short scan times.
This method has significant potential for advancing high-resolution X-ray microscopy.