OPTICAL CHARACTERISTICS
Fused Quartz and Fused Silica wafers have an exceptionally good transmittance in the 170 to 2500nm range. Fused Silica in general exhibits the best transmission in the UV range.
References:
Table of Optical Characteristic of a 1.0mm thick polished quartz test wafer.
Refractive Index Table.
Additional information on our quartz wafers: