Coatings & Materials

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.

Excelitas Technologies Corp. is an industrial technology manufacturer focused on delivering innovative, market-driven photonic solutions to meet the illumination, optical, optronic, sensing, detection and imaging needs of our OEM and end-user customers.

Reynard Corporation manufactures custom optics and thin-film coatings from 0.2 to 50 microns (UV-IR). Other in-house capabilities include diamond turning, optical fabrication, photolithography pattern optics, environmental testing, and design services. Prototype to production, ISO 9001:2015 certified, ITAR registered, and Cybersecurity (CMMC) compliant.

Precision optical glass: strip, blanks, pressings, polished balls, near-UV transmitting i-Line glass, ceramic substrates, CaF2, UV/IR materials, quartz, fused silica (standard/excimer grade), Nanoceram. Ohara CCZ ultralow expansion (excellent CTE uniformity, blank form, to 1.8 m diam). Double-side polished substrates (low surface roughness, excellent flatness).

Manufactures precision optical glasses: strip/slab, blanks, fine gobs, polished ball lenses, near-UV transmitting i-Line glass, ceramic substrates, CaF2, UV/IR materials, quartz, fused silica (std./excimer grade). Ohara CCZ ultralow expansion (excellent CTE; large size). Nanoceram. Double-side polished substrates (low surface roughness, excellent flatness).

Manufactures systems for physical vapor and diamond-like carbon deposition, R&D and production coating of optical components, sensors, and plastics. Provides process development for sputtering, ion-beam sputtering and etching, and ion-assisted evaporation.

LASEROPTIK is a manufacturer of high LIDT laser optics and coatings from VUV to IR and employs more than 40 coating machines with 7 different coating methods. Products include mirrors and AR coatings, thin-film polarizers, complex filters, chirped mirrors and mirror pairs. Special IBS capabilities are available for coatings on large substrates.

Deposition Sciences, Inc. (DSI) produces a wide variety of highly durable and heat-resistant optical coatings. Our technologies and customer deposition chambers offer coatings in the visible (VIS) near-infrared (NIR), shortwave infrared (SWIR), and midwave infrared (MWIR) spectral wavelengths. ISO 9001:2015 certified.

Manufacturer of custom optics, optical replication, diffraction gratings, electro-optical assemblies, metallic and dielectric thin-film coatings for prototype and volume production. State-of-the-art manufacturing, coating, QC, assembly and class 1000 cleanrooms. Serving commercial and defense markets worldwide.

Develops products for applications in optics, lithography, astronomy, automotive, consumer electronics, industrial, and life sciences. Offers a variety of optical and laser glasses, optical filters, glass ceramic, IR materials, optical components, custom glass development, precision finishing, and metrology capabilities.

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.

Manufacturer of precision optical components (UV to mid-IR). Prisms, windows, filters, wedges, mirrors, beamsplitters, and all types of singlet, doublet, and triplet lenses. Electron and ion-assisted deposition coating services. Prototype production and OEM assemblies include design and manufacture of single- and multi-element systems.

Lapping and polishing consumables and machinery for glass, plastic, crystals, IR, semiconductor, electro, laser, and fiber optics. Microcellular foam elastomer pads, compounds, ultrapure alumina, colloidal silica, diamond powder/slurries; water-based, nanosize, alpha-alumina; optical blocking, synthetic pitch, double-sided polishers, and centrifuges.

Manufacture and research of high performance dyes. Our expertise includes narrow-band visible and infrared absorber dyes for optical filters, as well as fluorescent, and the closely-related laser dyes. Since early 2017 Exciton has been part of Luxottica, a leader in the design, manufacture, and distribution of fashion, luxury, and sports eyewear.

AdTech Ceramics is a fully integrated US manufacturer of alumina and aluminum nitride multilayer co-fired products, including QFN, PGA, and BGA packages. Specializing in mission-critical ceramics for challenging environments. We engineer the finest quality ceramics. ITAR registered, CUI trained, AS9100D, NADCAP certified.

Manufacturer of precision optical components and thin-film coatings in prototype and volume quantities. Products include lenses and lens systems (cylindrical, spherical), GRMs, etalons, beamsplitters, laser windows and mirrors, for work in the UV, VIS, NIR, and far-IR spectral regions. Metrology services are also available. ISO 9001:2015 certified.

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.

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.

MKS/Newport designs and manufactures high performance optical filters and replicated mirrors in the UV, VIS, and NIR. Filters include bandpass, dichroic, edge, fluorescence, neutral density, and notch filters, as well as optomechanical and electro-optical assemblies based on filter technology. Mirrors include retroreflector, aspheric, and spherical.

Manufacturer of UV curing optical adhesives that meet Telcordia (Bellcore) specification of 85 degrees Celsius/85% relative humidity for 2000 hours, UV light sources, and fiber optic splicing systems.

Specializes in precise IR optical components, coatings, system integration, and services from concept to production. Provides optical consulting, contract manufacturing, and engineering services.

Custom manufacturer of precision flat-surfaced, parallel, and wedged optics specializing in double-sided polishing for transmitted wavefront and parallelism. Products include optical and IR windows, glass wafers, color glass filters, mirrors, wedges, plate beamsplitters, and witness samples. ITAR registered, ISO 9001:2015 certified.

A high-tech optoelectronic technology enterprise. R&D, production and sales of specialty optical fibers and cables, specialty optical devices, new materials, advanced equipment, and optoelectronic systems. Provides measurement calibration and testing services.

BAE Systems wholly owns Fairchild Imaging, a designer and manufacturer of low-light, sCMOS, and x-ray sensor designs. We specialize in design, development, and manufacture of high-performance image sensors for defense, security and surveillance, space, scientific; medical, dental, veterinary x-ray; industrial, and pro-video markets.

Instrumentation manufacturer of precision test and measurement equipment including pulse and delay generators, arbitrary waveform generators, HV pulse generators, LD drivers, and custom scintillation detectors. Capabilities in photonics, timing, gating, synching, triggering, mass spectrometry, Pockels cells, Q switching, lidar, research, medical research and testing.

Extensive suite of application-focused instrumentation for life sciences and materials research and production covers the full range of metrology techniques, sample sizes, and imaging resolutions. Technologies include AFMs, NanoIR spectrometers, fluorescence microscopes, stylus and optical profilers, mechanical testers, and nano-indenters.

Manufactures standard and custom polarization control components and systems including polarizers, retarders, LC devices, Pockels cells, polarimeters, and SLMs. Applications are in optogenetics, aerospace, defense, medical imaging and analysis, data storage, polarimetry, semiconductor inspection and processing, astronomy, and more.

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.