Electromagnetics Blog Posts

Calculating the Emission Spectra from Common Light Sources
We use COMSOL Multiphysics® to calculate the emission spectra of 4 common light sources: natural daylight, incandescent light bulbs, fluorescent light bulbs, and LED bulbs.

Explaining the Pepper’s Ghost Illusion with Ray Optics
Pepper’s Ghost, the famous optical illusion used in theater and “hologram” concert performances, can be explained using ray optics. Learn more and see our homemade Pepper’s Ghost projector.

Model Magnetic Materials in the Frequency Domain with an App
Easily convert B-H or H-B curves into effective B-H or H-B curves using the Effective Nonlinear Magnetic Curves Calculator simulation app.

Parade Technologies Improves Workflow Efficiency with Apps
Researchers at Parade Technologies create simulation apps and distribute them to colleagues — saving time and more effectively communicating with their customers as a result.

Simulation Improves Electromagnetic IED Detection Systems
To better understand the ground-penetrating radar technique and improve its accuracy for detecting landmines and other IEDs, researchers studied electromagnetic detection for subsurface objects.

Different Ways to Count Particles in COMSOL Multiphysics
There are 3 ways you can count particles in your particle tracing simulations in COMSOL Multiphysics: during postprocessing, using accumulators, or with the Particle Counter feature.

Studying a Dielectric Probe Used for Skin Cancer Diagnosis
Noninvasive tools like dielectric probes are a promising method for diagnosing skin cancer as early as possible. Learn about how simulation can be used to analyze their functionality and safety.

Why Wolfspeed Builds Apps with COMSOL Multiphysics
Engineers at Wolfspeed used the Application Builder in COMSOL Multiphysics® to optimize their development of wide bandgap semiconductors for silicon chips.