# Cos90o 0 electricity magnesm lecture 24 slide

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ght malice was to be avoided?” Electricity & Magne/sm Lecture 24, Slide 7 CheckPoint 2 Two Polarizers 60 45 30 15 0 1 The second polarizer is orthogonal to the ﬁrst No light will come through. cos(90o) = 0 Electricity & Magne/sm Lecture 24, Slide 8 CheckPoint 4 Two Polarizers 80 60 40 20 0 1 Any non ­horizontal polarizer aZer the ﬁrst polarizer will produce polarized light at that angle Part of that light will make it through the horizontal polarizer Electricity & Magne/sm Lecture 24, Slide 9 There is no reason that φ has to be the same for Ex and Ey: Making φx diﬀerent from φy causes circular or ellip/cal polariza/on: Example: At t = 0 RCP Electricity & Magne/sm Lecture 24, Slide 10 Q: How do we change the rela/ve phase between Ex and Ey? A: Birefringence By picking the right thickness we can change the rela/ve phase by exactly 90o. R...
View Full Document

## This note was uploaded on 03/07/2013 for the course PHYS 121 taught by Professor Chen during the Spring '13 term at Simon Fraser.

Ask a homework question - tutors are online