Welcome to the course Antennas, Arrays, & Metasurfaces

Broad course outline

  • Broad course contents, with a focus on RF

    1. Advanced principles in electromagnetics

    2. Antennas

    3. Antenna arrays

    4. Metasurfaces

  • Prerequisites

    1. Any UG/PG course on electromagnetics

    2. Familiarity with programming

Detailed syllabus

This is an exhaustive list and all topics might not be covered.

Review content

  1. Review of Maxwell’s equations, boundary conditions, phasor notation, plane wave propagation in free space and dielectric media, polarization, and reflection from interfaces.

  2. Review of transmission line equations, impedance transformations, quarter wave transformations, matching techniques, coaxial and microstrip lines, rectangular waveguides, wave velocities and dispersion.

Microwave network analysis

  1. Concept of impedance, impedance/admittance matrices, scattering/ABCD matrices, signal flow graphs, excitation of waveguides.

Advanced electromagnetics

  1. Auxiliary vector potentials, solution of wave equations, near and far field radiation equations.

  2. Electromagnetic theorems: duality, uniqueness, images, reciprocity, reaction, surface and volume equivalence, induction.

  3. Green’s functions: 2/3D scalar forms for free space.

Antennas

  1. Fields of a Hertz dipole antenna

  2. Antenna parameters: radiation pattern, intensity, beamwidth, directivity, efficiency, gain, polarization, impedance, effective area, Friis equation, implications of reciprocity theorem for antennas.

  3. Antennas: linear/loop, aperture antennas and connection with Fourier theory, horn antennas, microstrip patch antennas, broadband antennas, matching techniques.

Antenna arrays

  1. Basic idea of beam forming and scanning by arraying, concept of array factor, linear and planar arrays, mutual coupling in arrays, arrays and feed networks

  2. Introduction to Floquet Modes in Infinite Arrays

Metasurfaces

  1. Design and analysis of periodic sub-wavelength structures for: changing surface impedance, controlling reflection/transmission phase, manipulating surface wave propagation, creating bandgap structures.

  2. Examples of reconfigurable metasurfaces, anomalous reflectors, leaky wave antennas.

References:

  1. Microwave Engineering, David Pozar, 4th ed., Wiley

  2. Advanced Engineering Electromagnetics, Constantine Balanis, 3rd ed., Wiley

  3. Antenna Theory & Applications, Constantine Balanis, 4th ed., Wiley

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