Front Surface Flatness: λ/10

Front Surface Quality: 40-20 Scratch Dig

Back Surface: Frosted

Volume Discounts Available

Thorlabs' optical flats are designed to be used in surface contact testing, or as front surface mirrors when coated. Pyrex and Fused Silica are highly transparent materials that offer maximum fringe visibility, a high degree of purity, and exceptional environmental durability.

Optical flats are available with a λ/20 surface flatness - please call for a quotation.