Photonics Suppliers

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.

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.

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.

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 diamond-turned optical components and precision, electroformed optics. Diamond-turning capabilities include 2-, 3-, 4-, and 5-axis technology to deliver custom, precision optical components. Also provides thin-film optical coatings for stringent specifications.

Supplier of specialized holographic and ruled diffraction gratings. 400 masters available for rapid, 1-week optical replication, a capacity to produce 500,000 precision replicated optics and with R&D, engineering, and manufacturing under one roof for custom and OEM applications.

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.

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.

Italian manufacturer in the optics and photonics market, with more than 65 years of experience in engineering, production, and assembly of lenses, prisms, mirrors, filters, lightguides, and finished optical systems for aerospace, biomedical, security and defense, imaging and lighting applications.

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.

Designs, manufactures, and distributes precision optics to OEMs for applications in high-resolution biometrics, CCD imaging, OCR, security, surveillance, machine vision, metrology, and medical instruments. Westech provides lens design, optomechanical design, and total QC management. Custom and stock optics and lens assemblies.