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.

Manufacturer of InGaAs sensors. Offers SWIR image sensors and linear sensors, PIN photodiodes and APDs with a wavelength of 900 to 1700 nm. We offer visible and extended wavelength InGaAs products for the applications of power monitoring, imaging, semiconductor inspection, spectrometer, sorting, HSI, and remote sensing. Excellent quality at a reasonable price.

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.

Manufactures and sells Fresnel lenses, lenticular lenses, sheet prisms, and linear Fresnel lenses. Manufactures any type of lens to customer specifications.