Fused quartz wafers, fused silica wafers and most other optical materials can be processed in sizes as large as 12″ x 12″ square or 12″ diameter. Thickness tolerances can be as tight as ±.0001″, with flatness to 1/4 lightband, and parallelism to 50 millionths of an inch. Custom windows in any size, shape, thickness or surface finish are available on special orders.
Valley Design offers a complete line of lapped, polished and diced substrates, flat polished optical pieces, Sapphire, Glass and other materials. Our best polish for optics, 10/5; thinnest parts, 0.0005″. Valley Design also wafers optical materials and performs precision lapping and polishing of metals and delivers coated optics to the optics industry, OEM manufacturers and research laboratories.