The Fresnel Zone Plate Antenna

Abstract

The Fresnel zone plate antenna utilizes as a focusing objective a plate which discards the radiation from alternate Fresnel zones or reverses its phase. An antenna feed placed at the reference point for the zones receives from all parts of the aperture in phase within plus/minus pi/2.

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Document Details

Document Type
Technical Report
Publication Date
Jun 03, 1948
Accession Number
AD1207428

Entities

People

  • I. Jr Maddaus

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms

DTIC Thesaurus Topics

  • Amplitude
  • Antenna Feeds
  • Antennas
  • Cancellation
  • Coefficients
  • Dielectric Permittivity
  • Fresnel Zones
  • Materials
  • Metal Plates
  • Military Research
  • Phase Shift
  • Plane Waves
  • Plastics
  • Radiation
  • Refraction
  • Refractive Index
  • Transmitting

Fields of Study

  • Physics

Readers

  • Metallurgy
  • Phased Array Antenna Design.