Experiment 12 - Experiment 12 Polarization of Light by...

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Experiment 12: Polarization of Light by Absorption and ReflectionExperiment Date: November 29, 2016Due Date: December 6, 2016Ashley PersaudPHYL 2049Lab Instructor: Pramond Acharya
Purpose:1.Study polarization of light by selective absorption---Malus’ law.2.Study polarization of light by reflection---Brewster’s law.Theory:Light is a transverse wave. The electric field and the magnetic field are perpendicular to each other as well as the direction of which the wave is travelling. “Polarization” of light refers to the polarization of the electric field. When the electric field can oscillate with more than one orientation, this is due to the polarization of the waves. Light coming from an ordinary light is unpolarized light. However, light can be polarized through selective absorption, reflection, scattering, and selective transmission. A linear polarizer which was made from dichroic material has a special axis called polarizing axis. This absorbs all

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