Dielectric Cube Half Mirrors


Reference number: OSE-CSMH-10-405

Dielectric cube half mirrors consist of two right-angled prisms. One of them is coated with a dielectric multilayer partial reflection layer on the hypotenuse surface.

Wavelength Range in nm
A - B - C in mm

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  • Material: BK7
  • Surface flatness of substrate: λ/4
  • Beam Deviation: 5
  • Coating: Hypotenuse surface: Dielectric multi-layer coating Four surfaces: Multi-layer anti-reflection coating
  • Incident angle [°]: 0
  • Divergence ratio (reflectance : transmittance): 1:1
  • Laser Damage Threshold [J/cm2] : 0,3
  • Surface Quality (Scratch-Dig): 20-10
  • Clear aperture: 85% of circle to actual dimension (80% of actual aperture for 5 and 7mm dimension (A=B=C) products.)