Experiment 5: Polarization and Interference
INTRO TO EXPERIMENTAL PHYS-LAB 1493/1494/2699Experiment 5: Polarization and Interference Nate Saffold Office Hour: Mondays, 5:30PM-6:30PM @ Pupin 1216PHYS 1493/1494/2699: Exp. 5 Polarization and Interference2Introduction Outline: Review of physics: waves of an EM wave and diffraction (double and single slit experiments) Polarization and Interference Experiment : of the apparati analysis Tips for the experiment3Electromagnetic waves Electromagnetic wave = oscillating electric and magnetic fields An EM wave propagates in vacuum at the speed of light Electric and magnetic fields are always perpendicular to each other(James Clerk Pretty smart )PHYS 1493/1494/2699: Exp. 5 Polarization and Interference4Polarization Polarization of a light wave = direction of oscillation of the electric field Every day light is usually unpolarized.
5 Polarization by selective absorption White light (as from a light bulb) is usually unpolarized. Polarizer = material that selects one particular direction of oscillation of the incoming light If we place two linear polarizers in sequence then: 1. First one: it …
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