BEAM Co. (Beam Engineering for Advanced Measurements) is a company that provides optical technologies and materials. It offers nonlinear optical and photosensitive azobenzene liquid crystal materials, photodeformable membranes and photoactuated polymers, azobenzene dyes, photoalignment materials, and synthetic building blocks, polarization gratings, diffractive waveplates, patterned waveplates, vector vortex optical components, and other products.