You may have noticed cables installed in the offices or homes that are providing internet access. These cables also do have a familiar name, optical fibers. In this post, we will gain knowledge on what are these optical fibers? What is their design? And for which purposes are they used?

Refractive index Have you ever wondered why light bends when it enters from air into water? Well, this phenomenon happens due to the property called refractive index (sometimes referred to as an index of refraction, complex refractive index, and optical constant of a material). Simply defined, the refractive index of