Prism Liquid-Crystal Polarizer (PLCP) consists of two optical glass prisms and liquid-crystal layer sandviched between them. Both transmitted and reflected beams can be used. PLCP can be used in different fields of optics. PLCP is the optical analog of Glan-Thompson polarizing prism. It is featured by the high optical transmission, large clear aperture, high laser induced damage (up to 1GW/cm2). Possible application: in powerful laser systems with large beam diameter; in videoprojection devices; in optical computing; in experimental setup for light combination scattering spectra measurements; in optical astronomy, etc.