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Substrates

Company: Coastline Optics, Inc.

25.4mm Ø, Plano/Plano Fused Silica Substrates

  • Dimensions
    • Diameter: 25.4mm +0.0/-0.1 mm
    • Thickness: 6.35mm +/-0.2mm
  • Configuration: Plano/Plano
  • Side 1, central 5mm Ø area:
    • Surface Quality: < 10-5 - Scratch-Dig - per Mil- PRF-13830B.
    • Surface Roughness: < 1Angstrom. RMS asmeasured onour Zygo5500optical profiler.
    • Surface Figure: < 0.10wave P-V @ 633nm.
  • Side 1, annular area between 18.5mm Ø and 25.4mm Ø:
    • Surface Quality: < 20-10 scratch dig, suitable for optical contact.
    • Surface Figure: < 0.25wave P-V @ 633nm
  • Side 2, central 80% area:
    • Surface quality: 20-10scratch-dig
    • Surface figure: <0.10wave P-V @ 633nm
  • Bevels: 0.020“- 0.040” x 45degree facewidthnominal
  • Wedge: 10arc minutes
  • Material: Corning 79800A Fused Silica
  • We bought 4.

25.4mm Ø, 1´Meter Concave ROC/Plano Fused Silica Substrates

  • Same as “25.4mm Ø, Plano/Plano Fused Silica Substrates”
  • Configuration: Concave/Plano
  • Side 1: -100cm+/-1cm concave ROC
  • Material: Corning 79800A Fused Silica
  • We bought 4.

IBS AR coating

  • IBS AR coat Side 2 of the above Item1and2substrates for R<0.10% @ 1550nm