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X-ray Imaging

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...

Super-resolution Fluorescence Microscopy

Super-resolution Fluorescence Microscopy

Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been developed.

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Related Experiment Video

Updated: Jun 8, 2026

$Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2$

Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2

Published on: December 8, 2016

Subpicosecond hard x-ray streak camera using single-photon counting.

Henrik Enquist¹, Hengameh Navirian, Ralf Nüske

¹Atomic Physics Division, Department of Physics, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden.

|October 5, 2010

Summary

This summary is machine-generated.

We developed a hard x-ray streak camera with subpicosecond resolution using single-photon counting. This advanced imaging tool achieves high quantum efficiency and a 2 kHz repetition rate for precise measurements.

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Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

Published on: February 21, 2017

Related Experiment Videos

Last Updated: Jun 8, 2026

$Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2$

Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2

Published on: December 8, 2016

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

Published on: February 21, 2017

Area of Science:

Physics
Instrumentation
X-ray Science

Background:

Streak cameras are crucial for ultrafast phenomena research.
Limitations in time resolution and quantum efficiency hinder current hard x-ray imaging.
Need for advanced diagnostics in high-energy physics and materials science.

Purpose of the Study:

To develop and characterize a hard x-ray accumulating streak camera.
To achieve subpicosecond time resolution and high quantum efficiency.
To enable high-repetition-rate measurements for advanced scientific applications.

Main Methods:

Utilized single-photon counting for enhanced sensitivity.
Implemented a readout camera with integrated image processing for high repetition rates (2 kHz).
Employed a UV timing reference to mitigate sweep jitter effects.

Main Results:

Achieved subpicosecond time resolution in hard x-ray detection.
Demonstrated high quantum efficiency by optimizing photoelectron collection.
Successfully operated the camera at a 2 kHz repetition rate.

Conclusions:

The developed hard x-ray streak camera offers unprecedented time resolution and efficiency.
This instrument is suitable for advanced diagnostics in fields requiring ultrafast hard x-ray measurements.
The single-photon counting approach significantly improves camera performance.