ECE318H1 Study Guide - Midterm Guide: Polarizer, Circular Polarization, Waveplate

• School: UTSG
• Department: Electrical and Computer Engineering
• Course: ECE318H1
• Professor: Li Qian

Document Summary

E = [eox exp ( x) x + eoy exp ( y) y] exp{ (kz t)} exp{ (kz t)} = eo exp{ (kz t)} E = hcos ( t) x + cos(cid:16) t . X y = : light from 45 linear polarizer passes through the qwp twice, rst before and then after re ection. Equivalently, it is passing through a hwp that rotates the direction of polarization by 2 45 = 90 . It then returns to the linear polarizer perpendicular to the transmission axis. As a result, no light passes back through the polarizer after being re ected. Figure 1: an optical system composed of two polarizers and a quarter-wave plate inbetween. a). We have dropped the exponential term in the qwp matrix for con- venience as it only changes the magnitude. 1 cos sin sin cos cos cos sin . Sin cos sin sin cos cos2 + sin2 .