Announcements 3/9/12 Prayer Exam 2 ends Saturday afternoon Typo on exam equations (doesn’t affect any problems): first equation under “Gaussian wavepacket”, for F.
Reading Quiz What is the equation with the strange name in today’s assignment? the aneilok equation the eikonal equation the keilano equation the lonakei equation the nokeila equation
(Today’s quiz brought to you by the letter F.) Reading Quiz Who deduced the principle that says light rays moving from pt A to pt B will take the path that takes the least amount of time? Faraday Fermat Fresnel Fourier Fraunhofer (Today’s quiz brought to you by the letter F.)
The Eikonal Equation
Fermat’s Principle
The Lifeguard Problem
Reading Quiz What are ABCD matrices good for? describing the change in angle and position of a ray describing the change in polarization of a ray describing the interference between light rays nothing
Ray Vectors and ABCD Matrices