Optical Properties Of Solids [TRUSTED]

An increase in electrical conductivity caused by light absorption (used in light sensors).

Light bouncing off the surface. Metals are highly reflective because their "free" electrons can oscillate rapidly to cancel out the incoming field.

Made of ultra-pure glass with extremely low absorption ( ) to carry data over thousands of miles. Optical Properties of Solids

Designed with semiconductors that have band gaps optimized to absorb the solar spectrum.

Energy from photons is transferred to the solid. This happens when the photon energy matches the energy gap between electronic states. An increase in electrical conductivity caused by light

At its core, the response of a solid to light is determined by its ( ) and its dielectric function (

), which relate to how electrons and atoms oscillate when hit by an electric field. 1. Fundamental Interactions Made of ultra-pure glass with extremely low absorption

Understanding these properties allows us to engineer materials for specific tasks: