Quality Quartz of America, Inc. is the only manufacturer of Clear-Strate Substrates. Clear-Strates are fused quartz, fiber support products used in the production of passive components such as couplers, WDM's and DWDM's.

Clear-Strate designs include "V" Groove, Square Groove, "U" Groove, Half Rod, Half Tube, Rectangular and Square. QQA is also a source for standard and tight tolerance rods, tubes, discs and plates.