Investigating the Use of Frequency Selective Surfaces in High Power Microwave Applications

Abstract

This thesis explores new territory with the theoretical investigation of the use of FSS in HPM applications. Work was performed in a simulation environment where rectangular and ring-shaped FSS elements were evaluated. Incident electric field levels of 0.5MV/m were propagated toward the FSS in a plane wave that was perpendicular to the surface. Results show that the total electric field in the apertures of the FSS can reach more than 6MV/m. This necessitates the use of high strength dielectric materials surrounding the FSS to reduce the risk of electrical breakdown. It is shown that a dielectric of only 2.5mm thick on each side of the FSS eliminates the risk of breakdown.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 2010
Accession Number
ADA518463

Entities

People

  • Steven Pugh

Organizations

  • Air Force Institute of Technology

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Dielectric Permittivity
  • Dielectrics
  • Directed Energy Weapons
  • Electric Fields
  • Electromagnetic Fields
  • Electromagnetic Radiation
  • Frequency
  • Frequency Bands
  • Frequency Shift
  • High Power Microwaves
  • Materials
  • Nonlethal Weapons
  • Repetition Rate
  • Simulations
  • Weapons
  • Weapons Effects

Fields of Study

  • Physics

Readers

  • Combustion Dynamics and Shock Wave Physics.
  • Materials Science and Engineering.
  • Optical Fiber Sensing and Electromagnetic Propagation.

Technology Areas

  • Directed Energy