Electromagnetics Blog Posts

Ray Optics Simulation of Sagnac Interferometers and Ring Laser Gyros
Have you ever been in a revolving restaurant that slowly spins as you dine? This same concept can be used to understand the operating principles of Sagnac interferometers and ring laser gyros.

Smart(er) Healthcare: Designing RFID Tags for Biomedical Applications
Bioengineering meets RF simulation in this blog post about designing RFID systems that can be used for safe and optimized patient care.

Common Pitfalls in Electrothermal Analysis
In the real world, electromagnetic heating often involves a nonlinear temperature. Learn some common pitfalls that occur during this type of electrothermal analysis and how to overcome them.

Simulating an SMA Connector on a Grounded Coplanar Waveguide
SMA connectors are used in cellphone antennas and PCB testing. To optimize their performance for a specific use, electrical engineers can evaluate their designs with simulation.

Redesigning Faraday’s Wheel: Creating Efficient Homopolar Generators
Acyclic generator, unipolar generator, disc dynamo, Faraday wheel, homopolar generator: Whatever you call it, this device has an interesting history and a variety of applications.

How to Model Linear and Nonlinear Optics in the COMSOL® Software
See how to model the Kerr effect, and other linear and nonlinear optical phenomena, using the Wave Optics Module and COMSOL Multiphysics®.

High-Fidelity Modeling of a Tunable Filter via Multiphysics Simulation
Tunable cavity filters can enhance the development of high-speed, wireless communication networks. To optimize these devices for such a purpose, we can turn to high-fidelity modeling.

Topology Optimization of a Magnetic Circuit for Loudspeakers
By optimizing the topology of loudspeaker components, such as magnetic circuits, we can develop speaker designs that are portable, lightweight, and high quality.