PolymerPlus has a wide variety of optical testing equipment capable of advanced product characterization. The Zygo Verifire Asphere Interferometer System provides high resolution surface metrology for quantitative three-dimensional measurements of aspheric shaped surfaces for production and process control. The Zygo ZeGage is a non-contact optical profiler for quantitative measurements of 3D form and roughness on precision machined surfaces. PolymerPlus has a Metricon prism coupler with a customized setup for refractive index testing. Other various optical characterization equipment at PolymerPlus include a camera system for birefringence imaging, optical transmission testing, and an NIR spectrometer with an integrating sphere.