Unpolarised light of irradiance from a lamp passes through three ideal linear…

PHYSICS · Subjective · Fermi University Physics · Optics & Photonics · Polarisation and anisotropic media · Polarisation and anisotropic media

Optics and Photonics, Ch Polarisation states, polarisers and the Jones and Stokes calculus

Problem

Unpolarised light of irradiance

I_0 = 80\ \text{W m}^{-2}

from a lamp passes through three ideal linear polarising sheets with transmission axes at

0^\circ

50^\circ

and

90^\circ

, in that order along the beam. Find the irradiance transmitted by the third sheet.