Wave Plates

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.

Manufactures catalog and custom/OEM optical components and assemblies including microscope objectives, motorized zoom beam expanders, high-resolution diffraction-limited lenses, telecentric scanning, focusing and imaging lenses, wave plates, polarizers; also mounting hardware, optical coatings, and lens design services for UV to CO2 wavelengths.

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.

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.

Avantier Inc. is a leader in providing imaging systems solutions. We offer advance precision custom optical design, optical engineering, optical lens assembly, rapid optical prototyping, image processing, and manufacturing services. Avantier is both ISO 9001:2015 and ISO 13485:2016 certified.

Manufacturer of custom precision optical components, spectrometers, TEA CO2 lasers, and excimer lasers. Specializes in fluid jet polishing equipment, and laser systems. Specializes in the production of difficult, tight tolerance optical components, laser components and systems.