A laser beam of intensity I reflect from a flat, totally reflecting surface of area A, with a normal at angle with the beam Write an expression for the beam 's radiation pressure pr () on the surface in terms of the beam 's pressure when 0o ...

The crosssectional area of the beam on the surface is Acos In a time ...

A laser beam of intensity I reflect from a flat, totally reflecting surface of area A, with

Question:

A laser beam of intensity I reflect from a flat, totally reflecting surface of area A, with a normal at angle θ with the beam. Write an expression for the beam's radiation pressure pr (θ) on the surface in terms of the beam's pressure when θ = 0o.