Ray Optics Blog Posts
![](http://cdn.comsol.com/wordpress/2014/12/Vdara-caustic-generation.png)
An Analysis of Caustic Surface Generation at the Vdara® Hotel
The Vdara® hotel on the Las Vegas strip has a unique crescent-shaped design that unfortunately contributed to the development of a caustic surface on the hotel’s pool deck.
![](http://cdn.comsol.com/wordpress/2014/12/Ray-trajectory1.png)
Modeling Ray Propagation in a Newtonian Telescope System
Ray optics trivia: The Newtonian telescope, recognized as the earliest operating reflecting telescope, was developed in 1668. Today, simulation can be used to trace rays through this device.
![](http://cdn.comsol.com/wordpress/2014/11/Schematic-after-collision1.png)
New Accumulators Boost Particle and Ray Tracing Functionality
Accumulators, a series of features available in the Particle Tracing Module, can be used to couple the results of a particle tracing simulation to other physics interfaces.
![](http://cdn.comsol.com/wordpress/2014/11/Deposited-ray-power1.png)
Modeling Thermally Induced Focal Shift in High-Powered Laser Systems
You can use the Ray Optics Module to create a fully self-consistent model of laser propagation that includes thermal and structural effects. Here, we take you through the process step by step.
![](http://cdn.comsol.com/wordpress/2014/11/Geometrical-optics-simulation1.png)
Introducing the Ray Optics Module
COMSOL Multiphysics version 5.0 introduced an add-on module for electromagnetics modeling: the Ray Optics Module. It can be used to perform ray tracing and geometrical optics studies.