1. Announcements 2/6/12 Prayer

2. Reading Quiz The term describing a crystal where the index of refraction depends on the direction is: a. a.anisotropic b. b.antisymmetric c. c.homogeneous d. d.stratified e. e.superrefractive

3. Reading Quiz In an anisotropic crystal,  must be represented by: a. a.a real number b. b.an imaginary number c. c.a vector d. d.a matrix

4. Calcite (calcium carbonate) http://cst-www.nrl.navy.mil/lattice/struk/caco3.html

5. Susceptibility matrix

6. Gauss’s Law

7. Reading Quiz This important equation which can be used to determine the index of refraction along arbitrary angles in anisotropic crystals, is called: a. a.Fresnel’s equation b. b.Huygens’ equation c. c.Poynting’s equation d. d.Snell’s equation e. e.Stokes’ equation

8. Wave equation  Fresnel’s Eqn

9. Example 1

10. Example 2

11. Example 3 n  1.4

12. Example 4 n = 1.3 is one of the n’s