Beamsplitter, Non-Polarizing, 25.4 mm Diameter, 830 nm Laser Line

Technical Specs

  • Diameter
    25.4 mm
  • Antireflection Coating
    830 nm
  • Material
    Grade A N-BK7
  • Surface Quality
    15-5 scratch-dig
  • Angle of Incidence
    45°±3°
  • Coating Code
    NP.28
  • Surface Flatness
    ≤λ/10 at 632.8 nm over the clear aperture
  • Durability
    MIL-C-675C, moderate abrasion million cycles
  • Chamfers
    0.5 mm face width
  • Chamfers Angle Tolerance
    45° ±15°
  • Cleaning
  • Clear Aperture
    > central 80% of diameter
  • Damage Threshold
    500 W/cm2 & 0.5J/cm2 10 ns 1064 nm
  • Diameter Tolerance
    +0/-0.13 mm
  • Orientation
    Beam should enter surface marked with an arrow
  • Thickness
    6.1 mm  
  • Thickness Tolerance
    ±0.38 mm
  • Transmission
    50 ±5%, independent of polarization
  • Polarization
    S- and P-polarization components matched to within 5%
  • Wavefront Distortion
    ≤λ/10 at 632.8 nm over the clear aperture