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Electromagnetics Blog Posts

Analyzing White Pupil Échelle Spectrographs via Ray Tracing Simulation

January 10, 2018

Astronomers use échelle spectrographs to detect far-away planets. To design a white pupil échelle spectrograph with optimized sensitivity, engineers can turn to ray tracing software.

How to Use the Beam Envelope Method for Wave Optics Simulations

January 8, 2018

In order to simulate optically large optical systems, you need to solve for Maxwell’s equations, which requires a fine mesh and a lot of computational energy. Enter the beam envelope method.

The Internet of Space Takes Off with Advanced Antenna Designs

December 12, 2017

You’ve heard of the Internet of Things, but what about the Internet of Space, which change how we share information and communicate worldwide. A key aspect of this concept: antenna designs.

Analyzing an Electrodynamic Ion Funnel with COMSOL Multiphysics®

December 8, 2017

Quadrupole mass filters and ion mobility spectrometers are used to detect explosives, study complex biological molecules, and more. Ion funnels are an important component of these devices.

How to Model Optical Anisotropic Media with COMSOL Multiphysics®

December 4, 2017

Erasmus Bartholinus first observed the optical effect of birefringence in 1669. Today, you can observe this effect with a specialized modeling approach for optical anisotropic media.

Should I Fillet the Geometry in My Electromagnetic Heating Analysis?

November 30, 2017

You want to analyze electromagnetic heating around sharp corners in your simulation. Do you round off the corners by adding a fillet? We go over cases where you should and shouldn’t do so.

Analyzing Magnetic Flowmeters for Blood Flow Measurement

November 24, 2017

Biomedical researchers used multiphysics modeling in order to understand how blood vessel movement influences the sensitivity of their flow meter designs. Get the full story here.

Focusing on Einzel Lenses with Particle Tracing Simulation

November 15, 2017

You can use electrostatics analysis and charged particle tracing to better understand einzel lens systems and optimize their designs.


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