Critical Angle (9, 2)
Equation:
Example:
Given: n1=1, n2=1.5.
Solution: c=41.8103_°.
Brewster's Law (9, 3)
The Brewster angle is the angle of incidence at which the reflected wave is completely polarized.
Equations:
T A N
B
=
Example:
Given: n1=1, n2=1.5.
Solution:
B=56.3099_°, 2=33.6901_°.
5-38 Equation Reference
n 1
- - - - - -
S I N
c
=
n 2
n 2
- - - - - -
B
+
2
=
n 1
90