24.4 Polarization of Light

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Polarization of Light

POLARIZATION OF LIGHT
Polarization of
Unpolarized Light 		I = ½ I0           I = Intesnsity of Polarized Light
                      I0 = Initial Intensity of Unpolarized Light
Polarization of
Polarized Light
(Malus’ Law) 		I = I0 cos2 θ       I = Final Intesnsity of Polarized Light
                         I0 = Initial Intensity of Polarized Light
                         θ = angle between incident wave and filter

• The polarization of electromagnetic waves is defined by the electric field.