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Electromagnetics & Field TheoryDiscipline: Electromagnetic Field Theory (EEE2004)

Maxwell's Equations & Uniform Plane Wave Propagation Lab

Interactive 3D/2D electrodynamic simulation suite demonstrating transverse electromagnetic (TEM) wave propagation, real-time Poynting power vector flow, loss tangent & skin depth penetration in conductors, wave polarization (linear, circular RHCP/LHCP, elliptical), and normal interface reflection/VSWR standing waves.

Instrument State:Live Analytical DSP Engine

Maxwell's Equations & Uniform Plane Wave LabEEE2004

Electromagnetic Wave Propagation, Poynting Vector, Skin Depth, Wave Polarization & Boundary Refraction

Wave Source & Medium Controls

Wave Frequency (f)100 MHz

E-Field Amplitude (E₀)100 V/m

Relative Permittivity (εᵣ)1.0

Air (εᵣ = 1)PTFE (2.1)Glass (4-8)GaAs (12.9)

Wave Instantaneous Time Phase (ωt)0°

Medium Presets

TRANSVERSE ELECTROMAGNETIC (TEM) WAVE PROPAGATION ALONG +z

\vec{E} = E_x\hat{a}_x, \; \vec{H} = H_y\hat{a}_y, \; \vec{S} = \vec{E} \times \vec{H} \propto \hat{a}_z

Poynting Vector:

\vec{S}_{\text{avg}} = \frac{1}{2}\,\text{Re}\{\vec{E} \times \vec{H}^*\}

13.27 W/m² (a_z direction)

Phase Velocity (vₚ)

299.79 ×10⁶ m/s

1.000 × speed of light

Wavelength (λ)

3.00 m

β = 2.10 rad/m

Intrinsic Impedance (η)

376.7 Ω ∠0.0°

Free space η₀ ≈ 377 Ω

Magnetic Field (H₀)

0.265 A/m

B₀ = 0.33 μT

Technical Instrument Specifications

Plane WavesOrthogonal E-field, H-field & Poynting power flow S = E × H

Skin DepthConductor current decay J(z) = J0 e^(-z/δ) & surface resistance Rs

PolarizationReal-time transverse locus: Linear, LHCP/RHCP circular, & elliptical

Refraction & VSWRNormal reflection Γ, transmission τ, and voltage standing wave envelope

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