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.
Power Technology Inc. - Alexander, ARSince 1969, Power Technology, Inc. has innovated in laser technology, offering modules for diverse fields like semiconductor manufacturing, biomedical, industrial, and defense. From laser diode modules with 261 to 13,900 nm wavelengths to advanced HeNe power supplies, PTI excels in custom design and manufacturing for tailored applications.
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.