Shielding Requirements for an Energy-Recovery Linac Free Electron Laser

Abstract

Many Free Electron Lasers (FELs) utilize high current, high energy electron beams. Inevitably, a small fraction of the electrons in the beam will exist outside the core beam; these electrons are referred to as beam halo. The halo electrons will travel down an FEL's transport system with the core electrons; any portion of those halo electrons that intercept transport system components can generate radiation that is harmful to the operating personnel. The amount of shielding that is required to keep personnel safe from radiation exposure is evaluated as a function of the lost halo current. Using the modeling software FLUKA, an analysis is presented describing the amount of necessary shielding for a given shielding material.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 2011
Accession Number
ADA556495

Entities

People

  • Robert E. Peterson

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Advanced Electronics
  • Biomedical
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Amplifiers
  • Bremsstrahlung
  • Charged Particles
  • Electromagnetic Fields
  • Electromagnetic Radiation
  • Electron Energy
  • Electrons
  • Energy Transfer
  • Free Electron Lasers
  • Free Electrons
  • Lasers
  • Linear Accelerators
  • Materials
  • Optomechanics
  • Radiation
  • Radiation Shielding
  • Shielding

Fields of Study

  • Physics

Readers

  • Nuclear and Radiation Engineering.
  • Pulsed Power and Plasma Physics.

Technology Areas

  • Directed Energy
  • Microelectronics