60-40 Scratch / Dig Optical Flats Datasheets

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

OPTICAL FLATS - Single & Double Sided Flats. Optical flats are precision polished up to 8 inches in diameter. Accuracy of λ/4, λ/10 or λ/20 available, many in stock for immediate shipment. Each optical flat comes with a Certificate of Calibration traceable to the NIST. [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