Polarisation and Malus's law

Concept — Orientation of the electric field of a wave and its transmission through polarisers.

Present in chapters

19 · 21

Linked atoms

12 linked atoms.

19 Maxwell’s equations and electromagnetic waves

• Dipole antenna
• Polarising filters and Malus’s law
• Polarisation of EM waves
• Problem — TV antennas and polarisation
• Problem — Crossed polarisers
• Problem — Crossed polarisers with one in between

21 Introduction to quantum mechanics

• The polarising filter
• Problem — Bell and hidden variables
• Problem — Wave-function collapse at the polariser
• Problem — Polariser and photon counting
• Bridging Malus’s law and the single photon
• Entangled states