Ultrafast Harmonic Beamsplitter, 25.4 mm, 400 nm Refl., 800 nm Trans.

Technical Specs

  • Diameter
    25.4 mm
  • Antireflection Coating
    800 nm
  • Material
    Fused Silica
  • Surface Quality
    10-5 scratch-dig
  • Angle of Incidence
    45°
  • Coating Code
    HB.1
  • Surface Flatness
    /10 at 632.8 nm over the clear aperture
  • Durability
    MIL-C-675C, moderate abrasion million cycles
  • Chamfers
    0.25-0.76 mm face width
  • Chamfers Angle Tolerance
    45° ±15°
  • Cleaning
  • Clear Aperture
    > central 85% of diameter
  • Damage Threshold
    5.0 J/cm2 with 10 nsec pulses @ 1064 nm, typical
  • Diameter Tolerance
    +0/-0.25 mm
  • Wedge
    ≤3 arc min
  • Efficiency
    Rs > 99.8% @ 400 nm; Ts>95% @ 800 nm; R<0.25% @ 800 nm (AR)
  • Thickness
    3.0 mm  
  • Thickness Tolerance
    ±0.5 mm
  • Wavefront Distortion
    /10 at 632.8 nm over the clear aperture