The calendar below provides information on the course's lecture (L) and recitation (R) sessions.

UPW = uniform plane wave

TE = transverse electric

TM = transverse magnetic

TEM = transverse electromagnetic

VSWR = voltage standing wave ratio

SES # | TOPICS | DEMOS | KEY DATES |
---|---|---|---|

Foundations | |||

L1 | Foundations, forces and fields, Gauss's and Ampere's laws (∫) for static fields | Balloons | Problem set 1 out |

R1 | Vectors, •, ×, static field integral-solution examples: find E(r) for sphere, cylinder; Φ(r); H(r) for wire | ||

L2 | Media, boundary conditions | Boomer | |

R2 | Resistors, capacitors, devices as circuits, E relaxation τ = RC = ε/σ; if time, coaxial R | ||

L3 | Review vector operators; Maxwell's differential equations (t), E, H, uniform plane wave; sin (ωt) | UPW movie | Problem set 2 out |

R3 | Complex Maxwell's equation, sinusoidal UPW, wave polarization | Slinky | |

L4 | Poynting theorem derivation (time), UPW example (w_{e}, w_{m}, S(t)) | Helmholtz | |

R4 | Inductors, solenoidal; τ = L/R; vector operators; planar, cylindrical, spherical examples | ||

R5 | Show w_{e} = CV^{2}/2, w_{m} = LI^{2}/2; toroidal inductors, inductors with gaps, transformers | Problem set 3 out | |

Forces, motors, generators, and MEMS | |||

L5 | Electric forces on e-beams, C plates, force from ∂w/∂z; generators and sensors | ||

R6 | Magnetic forces: electron optics, motors and generators | ||

L6 | Magnetic pressure, rotary wire and reluctance motors, forces on materials | Motor | Problem set 4 out |

R7 | Wave forces; E and H field relaxation; examples from L5-R7 | ||

L7 | Static Φ and fields, Laplace's equation, separation of variables (x,y,z); inhomogeneous materials | Scooter | |

R8 | Review: complex differential Maxwell's equations (ω); UPW, polarization | ||

Waves in media and at boundaries | |||

L8 | Electromagnetic fields in media, uniaxial media, quarter-wave plate | Stressed media | Problem set 5 out |

R9 | Lossy media, skin depth, plasmas; fields, power, and energy | Wave movie | |

L9 | Boundary conditions, k•r, phase matching, non-uniform plane wave, Snell's law | Prism | |

R10 | Review for quiz 1 | ||

Quiz 1 | |||

R11 | Boundary conditions, σ = ∞, perpendicular reflection from ε and σ = ∞; examples at angles | ||

L10 | TE at planar boundary, TM by duality, Brewster's angle | Brewster's angle | |

R12 | Derive v_{p}, v_{g} for 2 sines, plasma example, power and energy examples | Dispersion video | |

Limits to computation speed | |||

L11 | Device and line delays; TEM parallel-plate line, telegraphers' equation, Z_{o}
| Fluorescent | Problem set 6 out |

R13 | TEM transients, graphical solution | ||

L12 | Transients: Thevenin equivalents; L, C, diode loads; initial conditions; lossy TEM | Transient movies | |

R14 | Examples of transients: loads, initial conditions, analytic expressions | ||

RF/microwave guidance and filtering | |||

L13 | Architecture, generalized TEM line, Ζ(z), Γ(z), Ζ transformations | VSWR, slotted | Problem set 7 out |

R15 | Gamma plane, Smith chart, VSWR | ||

L14 | RLC resonators, series, parallel, ω_{o}, ∆ω, α, Q_{L}, Q_{I}, Q_{E}, coupling | ||

R16 | Smith chart, single-stub tuning, Y_{n}(z), λ/4 transformer | ||

L15 | TEM resonators, w_{e}(t), w_{m}(t), Q, ∆ω, examples; |V(z,f)| | Coupled resonator video | Problem set 8 out |

R17 | TE, TM parallel plate waveguide, k_{x}, k_{y}, E, H, v_{g}, v_{p}, cutoff, evanescence; waveguide movies | ||

L16 | TE_{mn} rectangular waveguide, cavity resonators, perturbations | Cavity resonator perturbation | |

R18 | TM waveguides, field sketches, Poynting vector; examples from L16 | ||

Wireless communications | |||

L17 | Conservation of energy, power, G(θ,φ), A_{e}= Gλ^{2}/4π, R_{r}, V_{Th}, RF links | Problem set 9 out | |

R19 | Review for quiz 2 | ||

Quiz 2 | |||

R20 | RF link examples, bit rates, radar applications | ||

R21 | Radiation by charges ρ, current J; Φ and Ā; static, dynamic (t) | Problem set 10 out | |

L18 | Radiation by current elements, Hertzian dipole, near and far fields; Biot-Savart | Dipole video | |

R22 | Wire antennas, wire arrays | ||

L19 | Receiving antennas: V_{Th} in dipoles and loops; d<<λ/2π, G = 4πA/λ^{2}
| Yagi antenna | Problem set 11 out |

R23 | Mirrors, 2-dipole arrays with mirrors, ground reflections, propagation, thermal noise | ||

L20 | Aperture antennas, diffraction | Laser diffraction | |

R24 | Link and antenna examples, phasor addition, radio astronomy, remote sensing | ||

Optical communications | |||

L21 | Optical fibers, applications, dielectric slab waveguide, fiber design | μW fiber | Problem set 12 out |

R25 | Waveguide dispersion (v_{g} and v_{p} in fiber waveguides), optical link examples | ||

L22 | Lasers | Simulated 3-level laser | |

R26 | Optical resonators, filters, multiplexers, interferometer/modulators, detectors | ||

Acoustics | |||

L23 | Acoustic waves, boundary conditions, reflections, antennas | p, u(x,z,t) movie; keys | |

R27 | Acoustic waveguides and resonators, resonator coupling | ||

L24 | Course philosophy, resonator perturbations and speech generation | Acoustic resonator |