3D maps of a sample’s refractive index—used in some biomedical tests—can be directly derived from angle-dependent measurements of light scattering from the sample. Existing techniques, however, come ...

A light ray is traveling in a transparent material of refractive index 1.51 at an angle of incidence of 38 degrees and approaches a second material of refractive index 1.46. Solve for (a) the angle of ...

Light has several properties, and in this section, I would like to focus on "refraction." You likely learned in middle school ...

There are different ways to investigate refraction in rectangular blocks. In this required practical activity, it is important to: make, measure and record the angles of incidence accurately using a ...

Refraction is explained by looking into a pool and seeing Snell's law in action. We also explore the concepts of total internal reflection and formation of the critical angle. Plan and carry out ...

The reason a straw placed in water looks broken is due to "refraction," where light changes direction at the boundary between ...

This is the first part in a series on the basic principles of fiber optic communication. Have you ever wondered how the data we transmit through the internet is able to travel thousands of miles ...