| 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 (we, wm, S(t)) |
Helmholtz |
|
| R4 |
Inductors, solenoidal; τ = L/R; vector operators; planar, cylindrical, spherical examples |
|
|
| R5 |
Show we = CV2/2, wm = LI2/2; 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 vp, vg 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, Zo |
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, ωo, ∆ω, α, QL, QI, QE, coupling |
|
|
| R16 |
Smith chart, single-stub tuning, Yn(z), λ/4 transformer |
|
|
| L15 |
TEM resonators, we(t), wm(t), Q, ∆ω, examples; |V(z,f)| |
Coupled resonator video |
Problem set 8 out |
| R17 |
TE, TM parallel plate waveguide, kx, ky, E, H, vg, vp, cutoff, evanescence; waveguide movies |
|
|
| L16 |
TEmn 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), Ae= Gλ2/4π, Rr, VTh, 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: VTh in dipoles and loops; d<<λ/2π, G = 4πA/λ2 |
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 (vg and vp 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 |
|