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.
Highland Technology Inc. - San Francisco, CAProvides precision analog measurement and signal generation, data acquisition and control instrumentation, pulse and picosecond timing delay generation, laser diode drivers, waveform generators, and fiber optic, photonics, and mixed technology products for demanding aerospace and defense, scientific, and industrial applications.
HTA Photomask - Las Vegas, NVSupplier of precision photomasks, microlithography, photomask tooling, contact printing, emulsion, chrome and see-through masks, laser written optical components, encoders, optical parts, mask design, precision cutting of glass or silicon, and CAD services. Fast turn services.
Electro Optical Components Inc. - Santa Rosa, CADistributor of IR pyroelectric, thermopile, PbS and PbSe, and LED detectors; UV detectors; VIS detectors. IR and VIS laser diodes and diode modules. Signal recovery amplifiers. UV through IR filters, metal mirrors, and other optoelectronic components. NDIR, laser, and electrochemical gas and flame detection modules. Spectroscopy systems. SiPMs.