Vermont Photonics Technologies Corp. - Dummerston, VTUS distributor for Moeller-Wedel Optical GmbH. Optical test, metrology, and quality control equipment: ELCOMAT electronic autocollimators, GONIOMAT electronic goniometers, custom electronic autocollimators, visual autocollimators, collimators, alignment telescopes, dioptometers, spherometers, focometers, interferometers, and refractometers.
ECOPTIK (Changchun) Ltd. - Changchun, ChinaCustom optics, such as spherical lenses, dome lenses, prisms, windows, filters, cylindrical lenses, aspherical lenses, mirrors, beamsplitters, optical assemblies. Also custom lens design and optical systems design.
4D Technology Corporation - Tucson, AZDesigns and manufactures dynamic laser interferometers and optical profilers, and surface defect gauges. Applications include precision machined surfaces, optics, astronomy, aerospace, space-based telescopes, flexible electronics, automotive, and in-line production measurement.
Innovative Photonic Solutions - Plainsboro, NJDevelopment and manufacture of ultrastable semiconductor light sources, lasers, and systems. Specializes in single-frequency lasers for fiber laser seeding/pumping, frequency doubling, confocal microscopy, and Raman spectroscopy. Specialist in high power multimode and ultranarrow single-mode lasers.