Assume that dielectric slab 1 (py, &) of thickness d; is attached to dielectric slab 2(=p, —&5) of...

Question

Assume that dielectric slab 1 (py, &) of thickness d; is attached to dielectric slab 2
(=p, —&5) of thickness d,.
a) This medium is incident by a plane wave (normal incidence). Find the fields
everywhere.
) To make the entire phase shift (phase at z = 0 minus phase at z = d; + d,) equal
to zero, find a relationship between d, and d,.
¢) For the same medium (with d; and d, computed from part a) compute the same
phase shift of a plane wave with oblique incidence.

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Dr Shweta · Accepted Answer

Solution: 
1. The field is calculated as: 
Electric field in medium 1 
E1 = D/ϵ0ϵ1
Here, ϵ0 = Permittivity of free space
And ϵ1 = Permittivity of medium one 
Electric field in medium 2 
E2 = -D/ϵ0ϵ2
Here, ϵ0 = Permittivity of free space
And ϵ2 = Permittivity of medium two
2.

Assume that dielectric slab 1 (py, &) of thickness d; is attached to dielectric slab 2 (=p, —&5) of thickness d,. a) This medium is incident by a plane wave (normal incidence). Find the...

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