Metricon Corporation specializes in prism coupling technology for thin film, bulk material, and optical waveguide characterization. They offer the Metricon Model 2010/M Prism Coupler, which accurately measures the thickness and refractive index/birefringence of dielectric and polymer films, as well as the refractive index of bulk materials. Metricon's technology provides advantages over conventional refractometers and instruments based on ellipsometry or spectrophotometry, offering high accuracy measurements and rapid characterization of various materials. With a history of pioneering prism coupling technology since 1980, Metricon has delivered systems to universities, research institutes, and corporations worldwide, establishing themselves as leaders in optical waveguide characterization.