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.
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.
Laser Components USA Inc. - Bedford, NHSupplier of avalanche photodiodes and modules (Si, InGaAs), IR detectors (InGaAs, PbS, PbSe, pyroelectric), photon counting modules, laser diodes and modules (different wavelengths and power), pulsed laser diodes (905 and 1550 nm), laser diode drivers, laser optics, spatial light modulators, polarizers, UV LEDs and glass filters.
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.