60-40 Scratch / Dig Optical Flats Datasheets

Single Surface Optical Flat -1"dia.
from Advanced Optics, Inc.

Single and Double Sided Optical FlatsAdvanced Optics manufactures precision polished optical flats which may be used as a reference (test plate) against which the flatness of an unknown surface may be compared or as an optical window. We offer optical flats made of Pyrex, fused silica and Zerodur up... [See More]

  • Surface Quality: 40-20 Scratch / Dig (optional feature); 60-40 Scratch / Dig (optional feature); 80-50 Scratch / Dig (optional feature)
  • Optical Flat Diameter, Side Length, or Rectangular Length: 25.4
  • Optical Flat Shape: Circular
  • Thickness: 12.7
Optical Flats
from Artifex Engineering

Precision reference plates for optical testing. An optical flat is a precisely polished flat surface which may be used as a reference to measure the flatness of an unknown surface. Artifex Engineering offers both single surface and dual surface optical flats in BK7, Zerodur ® or Fused Silica. We... [See More]

  • Surface Quality: 60-40 Scratch / Dig
  • Optical Flat Material: Fused Silica (optional feature); Zerodur® (optional feature); BK7
  • Optical Flat Shape: Circular
  • Optical Flat Features: No Coating