Optical Components

CASTECH is a global leader in nonlinear optical crystals, laser crystals, precision optics, and laser components for laser applications, optical communications, biomedical VR/AR, and lidar. With ISO 9001 and IAFT 16949 quality management system, we consistently enable our customers from prototype to mass production stage.

As a matured and professional global supplier with a sophisticated engineering background, we specialize in the manufacturing and sales of electro-optics, including laser crystals and components, laser mirrors, nonlinear crystals, wave plates, polarizers, optical windows and lenses, IR camera lens assemblies/optical filters, scintillators, and more.

G&H provides design and manufacturing solutions to OEM customers around the world. We meet challenging specifications and offer long product lifetime and guaranteed performance in harsh environments. Our Group is comprised of three businesses: G&H Aerospace and Defense, G&H Industrial and Telecom, G&H Life Sciences and Biophotonics.

PM fiber components; patch cords, splitters/combiners, polarizers, isolators, fused/PLCS couplers, test equipment; PER meter, polarized sources, PDL emulators, polarization controllers/analyzers, digital/motor driven/manual variable attenuators, laser/laser diode to fiber delivery systems; collimators/focusers, polarization entangled photon sources.

Producer of retrofit parts and components for a variety of YAG laser systems. Manufacturer of lamp- and diode-pumped laser sources for OEMs and system integrators. Dual- and three-axis scanning systems for YAG and CO2 wavelengths. ISO 9001 certified.

Distributor 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.

Optical devices supplier and manufacturer of acousto-optic modulators, acousto-optic frequency shifter, avalanche photodiodes, fiber coil and ASE source, couplers, isolator, circulator, FRM, WDM, narrow linewidth laser diode, semiconductor optical amplifier, EDFA, used for for fiber laser, sensor systems, and FOG.

Specializes in high-performance fiber lasers and fiber amplifiers operating over a wide range of wavelengths and output powers. Applications include materials processing, telecommunications, and scientific research.

Manufactures precision devices for scientific research and industrial OEM. Products include optical beam combiners, high-power LED, xenon light sources, high-speed wavelength switchers and shutters, multi-photon microscopes, translation systems, motorized stages, manipulators, electrophysiology amplifier systems, and micropipette pullers.

Supplier of high-power DPSS lasers and direct diode lasers in the wavelength range of 2 to 5 microns. Provides customized solutions from single laser units to developments based on customer specifications and requirements of complete devices and laser machines for medical, industrial, and scientific markets.

Supplier of sophisticated materials for research or production applications. Offers laser crystals and laser components, optical components, optoelectronic components, metals (high purity or single crystals), plasma technology, UHV components, and precision wire saws.

Emergent Vision Technologies was founded in 2007 in Vancouver, Canada. We are the first providers of cameras based on the 10 Gigabit Ethernet (10GigE), 25 Gigabit Ethernet (25GigE), 50 Gigabit Ethernet (50GigE), and 100 Gigabit Ethernet (100GigE) interfaces.

Vertically integrated designer and manufacturer of photonics equipment for research, industry, life science, biomedical, and defense applications. Offerings include optomechanics, motion control, optics, fiber and fiber processing systems, light analysis, lasers and SLDs, optical amplifiers, imaging components, and microscopy systems.