Friday 18 December 2015

polarization - why is it that only the perpendicular component of a wave can pass through a vertical polarising filter?


To me it seems unintuitive that a filter can change the direction of a wave. I also do not understand malus' law, could somebody please show me an intuitive derivation or proof of malus' law.


Is unpolarised light, different waves with different oscillation directions, all coming from the same source?




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