This module introduces rays, which we use to describe the motion of light through air and materials. The course overview describes the goals of this course and gives tips on how to make the best use of the course materials to be successful. The lectures introduce the material. The in-video questions, lab demonstrations, PhET interactive demonstration, practice problems, and homework assignment allow you to get actively involved in learning the material.

In this module, you will learn how to enter the description of an optical system into OpticStudio, analyze the performance of that system using various calculations and plots, and finally optimize that design by defining a merit function and search variables.

This module applies Snell's Laws to the curved interfaces of lenses and mirrors. You will learn the graphical and mathematical tools you need to calculate image size and location for thin lens and mirror systems. This foundation is essential to build more complex optical systems.

This module extends the analysis of the previous module to include the effects of real, thick lenses. You will learn how to input this factor into your optical system analysis and design.