A slab of transparent material has thickness d and refractive index n that varies across the material n(x) n 1 (n 2 n 1 )(x d 2 ), where x is measured from one face of the slab A light ray is incident normally on the slab Find an expression for the time it takes to traverse the slab ...

The expression for the refractive index of the slab is given ...

A slab of transparent material has thickness d and refractive index n that varies across the material:

Question:

A slab of transparent material has thickness d and refractive index n that varies across the material: n(x) = n₁ + (n² - n₁)(x/d²), where x is measured from one face of the slab. A light ray is incident normally on the slab. Find an expression for the time it takes to traverse the slab.

Fantastic news! We've Found the answer you've been seeking!