A laserbeam is incident on the interface between air and some dielectric of index n For small values of i show that t i n Use this and Eq (4 42) to establish that at near normal incidence r i (n 1) (n 1) r sin (0 0) sin (0 0) 4 42 ...

To demonstrate that at small angles of incidence thetat fracthetain and to use this to show that at nearnormal incidence r approx fracn 1n 1 we can st ...

A laserbeam is incident on the interface between air and some dielectric of index n. For small

Question:

A laserbeam is incident on the interface between air and some dielectric of index n. For small values of θ_ishow that θ_t= θ_i/n. Use this and Eq. (4.42) to establish that at near-normal incidence [-r_⊥]_{θi ≈} (n - 1)/(n + 1).

sin (0; – 0,) [4.42] sin (0; + 0,) ||