Malus' law

Experiment no.: 5.11.6

Linearly polarised light passes through a rotatable analyser film. The intensity is measured as a function of the angle of rotation.

Images for this experiment

Experimental set-up

Polar diagram of the radiation intensity

Longitudinal plane wave

Linear polarisation

Circular and elliptical polarisation

Polarised waves

Plane electromagnetic wave

Horizontal and vertical polarisation

Polarisation film

Two orthogonal polarisation films

Transparency