Brewster’s angle windows are used on each end of the plasma tubes in gas lasers.The light emitted from such a laser is plane polarized because the gain of the system is greater for P-polarized light t...Brewster’s angle windows are used on each end of the plasma tubes in gas lasers.The light emitted from such a laser is plane polarized because the gain of the system is greater for P-polarized light than it is for S-polarized radiation due to the greater reflection losses at the plasma tube windows for S-polarized light.
