Slot arrays in special waveguide technologies

Slot arrays in special waveguide technologies

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In this chapter, we discuss slot arrays in two types of parallel plate waveguides propagating the TEM mode. In the first an electromagnetic wave propagates in the radial direction inward or outward in a circular parallel plate waveguide, while slots cut in one of the parallel plates radiate. Such an array is convenient for large apertures requiring high gain and mass production. The second type has a rectangular shape and propagates the TEM mode. Slots cut in one of the plates radiate. We then present slot arrays in substrate integrated waveguides (SIW) which have a great potential for easy integration with planar devices. Finally slot arrays in gap waveguides are discussed.

Chapter Contents:

  • 10.1 Slot arrays in circular parallel plate waveguides
  • 10.1.1 Circularly polarised radial line slot antenna
  • 10.1.2 Slot coupling and the attenuation coefficient of the propagating wave
  • 10.1.3 Linearly polarised radial line slot antenna
  • 10.1.4 Design of slot coupling coefficients
  • 10.1.5 Single-layer radial line slot arrays
  • 10.1.6 Radial line antennas for monopulse applications
  • 10.1.7 Accurate analysis and design techniques
  • 10.2 Slot arrays in rectangular parallel plate waveguides
  • 10.3 Slot arrays in substrate integrated waveguides
  • 10.4 Slot arrays in gap waveguides
  • References

Inspec keywords: circular waveguides; substrate integrated waveguides; parallel plate waveguides; slot antenna arrays

Other keywords: TEM mode; circular parallel plate waveguide; slot arrays; special waveguide technologies; mass production; SIW; electromagnetic wave propagation; substrate integrated waveguides

Subjects: Antenna arrays; Waveguides and microwave transmission lines

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