National Aperture Inc. - Salem, NHManufactures precision apertures and miniature micropositioning components. Apertures: pinholes, air slits, and patterns on foils, exotic materials, and reflective surfaces. Micropositioning products: miniature motorized linear and rotary translation stages, PC-based servo-control systems, and light-duty servo amplifiers.
PI (Physik Instrumente) LP, Motion Control, Air Bearings, Piezo Mechanics - Auburn, MAGlobal leader in precision motion control, nanopositioning stages, and automation subsystems. Technologies include hexapods, air bearings, and piezo drives. More than 50 years of experience and 1600 employees. Manufacturing sites in USA, Europe, Asia. PI's customers are leaders in photonics, life sciences, semiconductors, and aerospace.
Lambda Research Optics Inc. (USA) - Costa Mesa, CALambda Research Optics manufactures catalog and custom lenses, mirrors, beamsplitters, windows, prisms, filters, and polarizers for defense, commercial, and medical laser applications. Lambda specializes in high-power coatings for excimer, YAG, fiber, CO2 lasers, and FLIR coatings. Precision polishing of CaF2, MgF2, BK7, fused silica, ZnSe, Ge, and Si.