Casix is one of the premier crystal growers in the world with specific expertise in crystal growth, crystal optics manufacturing, glass optics, coatings, optics assemblies and fiber optics assemblies. 

We provide standard coatings and finishes as well as custom-manufactured coatings based on customer specifications.  We design and create custom optics components and provide specialized optical-subassembly, enabling customers to rely on Casix for end-to-end production of component level crystal and glass products.

Our 50 engineers are continually focused on developing new and refining existing technologies to exceed customer expectations.  Our strict raw material control, advanced crystal growing technology and ISO-certified quality systems ensure consistency and exceptionally high quality crystals and glass optics products for our R&D, OEM and industrial customers.