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Related Concept Videos

Radiation: Applications01:17

Radiation: Applications

The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
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Related Experiment Video

Updated: Jun 4, 2026

Crystallization and In Situ Room Temperature Data Collection Using the Crystallization Facility at Harwell and Beamline VMXi, Diamond Light Source
07:08

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Published on: March 8, 2024

Current Status of the VU MFEL Compton X-Ray Program.

W W Dong1, C A Brau, J W Waters

  • 1Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee.

Journal of X-Ray Science and Technology
|February 11, 2011
PubMed
Summary
This summary is machine-generated.

The Vanderbilt University medical free electron laser (FEL) Compton X-ray program is nearing operation. Initial tests show the system is ready to produce 108 X-ray photons per second.

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Last Updated: Jun 4, 2026

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06:20

Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition

Published on: March 11, 2021

Area of Science:

  • Medical physics
  • Particle accelerators
  • X-ray generation

Background:

  • Vanderbilt University's medical free electron laser (FEL) program is advancing.
  • Modifications for Compton X-ray generation are nearing completion.

Purpose of the Study:

  • To detail the progress and initial capabilities of the Vanderbilt medical FEL Compton X-ray program.
  • To outline the expected performance of the new X-ray source.

Main Methods:

  • Completion of necessary Free Electron Laser (FEL) modifications.
  • Design, delivery, and testing of electron and IR beam transport and detection systems.

Main Results:

  • The FEL modifications are nearing completion.
  • Transport and detection systems have been successfully tested.
  • Initial expected output is 10^8 X-ray photons per second in the 15- to 20-keV range.

Conclusions:

  • The Vanderbilt medical FEL Compton X-ray program is close to operational status.
  • The system is prepared for initial X-ray photon production within the specified energy range.