1. Announcements 2/13/12
Prayer
Exam going on
No homework due tomorrow

2. Reading Quiz
In circularly polarized light, the two components of the E-field differ by a phase of:
p/3
p/2
2p/3 p

3. Reading Quiz
The mathematical objects that describe polarization states are ______ vectors.
Jones
Newton
Maxwell
Smith
Zelazny

4. Circularly Polarized, pictures
RCP vs LCP:
which is this?
Pictures from Wikipedia

5. Jones vectors

6. Elliptically polarized
E still rotates at a given point in space. But E is strongest when it points along a certain line, and weakest when it points 90 degrees from that line.

7. Jones vector summary Linear, x
Linear, y
Linear, at angle a from x-axis
RCP
LCP
RCP-like elliptical, with long axis of ellipse along x- or y-axes
elliptical, axis of ellipse at an angle given by Eqn 6.12

8. Unpolarized light?

9. Polarizers Crystals Polaroid film Lines of wires Polaroid Film

10. Jones matrices
Today: just for linear polarizers