Sapphire Windows

Providence, RI (40 employees)
Stock Manufacturer • Custom Manufacturer
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.

Metuchen, NJ
Custom Manufacturer
Manufacturer of advanced optical components and optical assemblies. Offers custom optics manufacturing and custom optical design and engineering services. A top lens manufacturer specializing in coated optics, thin-film coatings, custom lens assembly and delivering cost-effective custom optical solutions.

Changchun, China (40 employees)
Custom Manufacturer
Custom optics, such as spherical lenses, dome lenses, prisms, windows, filters, cylindrical lenses, aspherical lenses, mirrors, beamsplitters, optical assemblies. Also custom lens design and optical systems design.

Ottawa, Canada (22 employees)
Custom Manufacturer
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.

Fuzhou, China (1,000 employees)
Stock Manufacturer • Custom Manufacturer
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.

Fuzhou, China (2,000 employees)
Custom Manufacturer
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.

Hangzhou, China (10 employees)
Stock Manufacturer • Custom Manufacturer
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.

Xinyang, China (400 employees)
Custom Manufacturer
Provides customized materials for low stress, high purity, and high uniformity infrared crystals to customers in over 60 countries and regions around the world.

Costa Mesa, CA (60 employees)
Custom Manufacturer
Lambda Research Optics manufactures catalog and custom lenses, mirrors, beamsplitters, windows, prisms, filters, and polarizers for defense, commercial, and medical laser applications. Lambda specializes in high-power coatings for excimer, YAG, fiber, CO2 lasers, and FLIR coatings. Precision polishing of CaF2, MgF2, BK7, fused silica, ZnSe, Ge, and Si.

Bangalore, India (160 employees)
Custom Manufacturer
Manufacturer of diamond-turned IR optics, metal mirrors, Ge/Si aspheric and diffractive optics, parabolic and off-axis mirrors, lenses, prisms, wedges, windows, laser optics, thin-film coatings, beamsplitters, filters, polymer imaging optics, large-size windows/mirrors, optomechanical assemblies, mounts.

Rochester, NY (90 employees)
Custom Manufacturer
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.

Shirley, MA (30 employees)
Stock Manufacturer • Custom Manufacturer
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.

Middlefield, CT (500 employees)
Custom Manufacturer
Specializes in the design and manufacture of advanced optical metrology instruments and systems, ultraprecise optical components and assemblies, and providing electro-optical design and manufacturing services.