Polarization characteristics of He-Ne laser radiation reflected by glass-reinforced plastic

摘要

We have measured the Stokes parameters of the He-Ne laser radiation (λ = 0.63 μm) reflected at angles of incidence from 5 to 700 by glass-reinforced plastic based on a silicon-organic polymer binder before and after its heating to 1200 K by CO{sub}2 laser radiation. The probe radiation from the He-Ne laser is linearly polarized parallel or perpendicular to the incidence plane. It is shown that the flux reflected in the mirror direction by samples illuminated at a Brewster angle (θ～ 56°) by He-Ne laser radiation linearly polarized in the plane of incidence contains a component with elliptical polarization.