L28A
Lesson 7: Time-Varying fields 2
Why time-harmonics?
Scalar to vector phasor notation
Frequency-domain Maxwell’s equation
Wave vector, wavelength, frequency
Phasor-domain: compared to lossless T-Lines
Waves in lossy medium: complex permittivity
Complex permittivity > complex wave number
L28B
Lesson 7: Time-Varying fields 2
Example: moist ground and gold
The EM spectrum
Polarized and unpolarized media
Induced polarization in dielectric media
Inhomogeneous wave equation
Source of EM Waves
L28C
Lesson 7: Time-Varying fields 2
Time-varying e-dipole
Light propagation in medium
L28D
Lesson 7: Time-Varying fields 2
Place waves
Solution to scalar Helmholtz’s equation
What about M-field?
