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Modeling the Scattering of Light Off of an Object on a Substrate
A frequent modeling situation encountered in wave electromagnetics modeling is to compute the scattering of light off of a structure patterned on top of a uniform dielectric substrate. In this blog...
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Evanescent Component of the Nonparaxial Gaussian Beam
The Gaussian beam is the most popular light source in wave optics. This blog post discusses the evanescent component of the nonparaxial Gaussian beam background field, a feature available in the...
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2 Video Discussions on Multiphysics Simulation of Optics and Photonics
Why use multiphysics software for optical simulations? This is one of the questions that Laser Focus World Senior Editor John Wallace asks in a 2-part video chat with Chris Boucher, technical product...
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Modeling Waveguides that Support Multiple Modes
Have you ever been in the situation where you are modeling a waveguide that supports multiple different modes at its highest operating frequency? As you might already know, such cases require a bit of...
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Modeling a Scatterer Near an Optical Waveguide
The dielectric slab waveguide is one of the conceptual building blocks in photonic structure design. Although most real structures are more complex than just a two-dimensional dielectric slab, we can...
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Computational Electromagnetics Modeling: Which Module to Use?
A question we get asked all of the time is: “Which of the COMSOL products should be used for modeling a particular electromagnetic device or application?” In addition to the capabilities of the core...
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