Knife Edge Right Angle Prisms with Coating

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Reference number: OSE-KRPB4-10-550

The knife-edge prism is polished on the sharp edges of the rectangular faces and has no chamfers on these edges.

A - B in mm
A - B in mm
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Description

  • Material: BK7
  • Refractive index nd: 1.517
  • Surface flatness of substrate: λ/4
  • Ridge Processing: Right-angle ridge: Knife edge (Not chamfered) Other ridge: Chamfered
  • Coating: 2-surface that make up the right angle: Al+MgF2(Protected Aluminium), Obliquity: Uncoating
  • Surface Quality (Scratch-Dig): 40-20
  • Clear aperture: 90% of Circle or Ellipse to Actual dimension for entrance and exit surface
  • Laser Damage Threshold [J/cm²]: 0.25
  • Angle accuracy 90°: ±1´
  • Angle accuracy 45°: ±1´