Lecture 23, ACT 1
Light of intensity I0,polarized along the x direction is incident on a set of 2 linear polarizers as shown.
- Assuming q = 45°, what is the relation between the I45, the intensity at the exit of the 2 polarizers, in terms of I0?
- What is the relation between I45 and I30 , the final intensities in the situation above when the angle q = 45° and 30° , respectively?
- The electric field following the first polarizer:
- The electric field following the second polarizer:
From this equation, we see that E2 is a maximum when q = 45° !!