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Related Concept Videos

X-ray Imaging01:24

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...
X-ray Crystallography02:18

X-ray Crystallography

The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
Diffraction
Diffraction is the change in the direction of travel experienced by an electromagnetic wave when it encounters a physical barrier whose dimensions are comparable to those of the wavelength of the light. X-rays are electromagnetic radiation with wavelengths about as long as the distance between neighboring...

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Related Experiment Video

Updated: May 23, 2026

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic
06:46

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic

Published on: August 25, 2016

A spherical crystal imager for OMEGA EP.

C Stoeckl1, G Fiksel, D Guy

  • 1Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, New York 14623, USA.

The Review of Scientific Instruments
|April 3, 2012
PubMed
Summary

A new X-ray imager uses a bent quartz crystal to capture Cu K(α) line emissions from laser-produced plasmas. This high-resolution imager achieves excellent signal-to-background ratios for fusion energy research.

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Last Updated: May 23, 2026

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic
06:46

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic

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Area of Science:

  • Plasma physics
  • X-ray imaging
  • Laser-driven fusion

Background:

  • High-resolution X-ray imaging is crucial for diagnosing laser-produced plasmas.
  • Diagnosing Cu K(α) line emissions provides insights into plasma conditions.

Purpose of the Study:

  • To implement a narrowband X-ray imager for the Cu K(α) line (~8 keV).
  • To achieve high spatial resolution and signal-to-background ratio for plasma diagnostics.

Main Methods:

  • Utilized a spherically bent quartz crystal (2131 planes) for X-ray diffraction.
  • Employed an optical system for remote crystal alignment in a vacuum target chamber.
  • Operated the imager with OMEGA EP laser system at ≥1 kJ energy and 10-ps pulse duration.

Main Results:

  • Achieved a Bragg angle of 88.7°, near normal incidence.
  • Demonstrated a high signal-to-background ratio typically >100:1.
  • Obtained a spatial resolution of less than 10 μm.

Conclusions:

  • The implemented X-ray imager is effective for diagnosing Cu K(α) emissions from laser plasmas.
  • The system offers high performance in terms of resolution and signal quality.
  • This diagnostic tool advances capabilities for inertial confinement fusion research.