Hamamatsu Corporation - Bridgewater, NJImporter and distributor of photonics components and subsystems for use in instrumentation. Products include photomultiplier tubes, solid-state photodetectors, IR detectors, image sensors, scientific cameras, light sources, and x-ray solutions.
MKS Ophir, Light & Measurement - North Logan, UTDevelops, calibrates, and markets a complete line of laser and LED measurement products, including laser power/energy meters, beam profilers measuring femtowatt to hundred-kilowatt lasers, high-performance IR and visible optical elements, IR thermal imaging lenses and zoom lenses for defense and commercial applications.
Optronic Laboratories LLC - Orlando, FLManufacturer of high-grade light measurement equipment including LED test and measurement systems, spectroradiometers, integrating spheres, colorimeters, radiometers, photometers, and calibration standards and services.
Yelo Limited - Carrickfergus, United KingdomYelo designs and builds burn-in, life-test and characterization systems for probed devices such as VCSEL arrays, laser arrays, APDs, chip-on carrier devices including photonics integrated circuits (lasers, amplifiers, modulators, photodiodes, thermistors), SOAs, laser arrays, PIN photodiodes, VCSEL TO headers, miniDILs, and butterfly packages.