Crystals

Provides customized materials for low stress, high purity, and high uniformity infrared crystals to customers in over 60 countries and regions around the world.

Inrad Optics is a vertically integrated manufacturer specializing in glass, crystal, and metal based optical components and assemblies. Manufacturing capabilities include precision optical surfacing, precision diamond turning, large substrate handling, optical contacting processes, thin film coatings, and high resolution in-process metrology.

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.

US-based manufacturer of high quality nonlinear optical crystals for extremely demanding applications. Manufactures super-low absorption UV-grade BBO and LBO crystals for long lifetime and stable UV generation, and hydrothermally-grown KTP for high power green generation.

Precision optical components, polarization optics, crystals, assemblies, megapixel CCTV lenses, 20 MP machine vision lenses, and optical system solutions. Advanced measurement systems include Prism Master, spheric lens measurement systems, interferometers, and spectrophotometers. ISO 9001, IATF/TS16949, ISO 14001, and ISO 13485 certified with SGS.

Fil-Tech supplies electron beam gun and ion source replacement parts, sensor heads and feedthroughs, INFICON rate monitors and controllers and Quality Crystals in Gold and Stress Relieving Alloy for the thin-film industry. We stock FT704, hydrocarbon oils and Krytox oils and greases, and ionization, thermocouple, INFICON and InstruTech vacuum gauges.

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.

Manufacturer of high-precision optical components made from sapphire. Capabilities include finish of other materials including Spinel, ALON, ZnS, Ge, Si, optical glass and more. Configurations provided include windows, spherical lenses, prisms, and domes available from stock or made to precise customer specifications. ITAR/DFARS/NIST Compliant.

AS9100/ISO 9001 manufacturer of substrates, wafers, flat optics, precision shims/spacers, 0.127-mm sq to 450-mm diameter. Precision lapping, polishing, dicing, 5-axis CNC machining, small diameter core drilling, hole drilling. Ultrathin 10-20 microns, ultraflat, tight tolerances. Fused silica, glass, sapphire, ceramics, metals. Large inventory.

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.