Cube Beamsplitter, Non-Polarizing, 12.7 mm, 830 nm Laser Line

  • Wavelength Range
    830 nm
  • Size
    12.7 x 12.7 x 12.7 mm
  • Shape
    Cube
  • Material
    Grade A N-BK7
  • Coating Type
    Broadband all-dielectric non-polarizing
  • Coating Code
    NP.7
  • Antireflection Coating
    Multilayer broadband dielectric
  • Angle of Incidence
    0°±2°
  • Orientation
    To avoid damage, beam should enter prism marked with a dot
  • Reflection
    Rs, p = 50 ±3%
  • Reflected Beam Deviation
    90° ±5 arc min
  • Transmission
    Ts, p = 50 ±3%
  • Transmitted Beam Deviation
    ≤5 arc min
  • Polarization
    S- and P-polarization components matched to within 3%,|Ts - Tp| ≤3%, |Rs - Rp| ≤3%
  • Wavefront Distortion
    ≤λ/4 at 632.8 nm over the clear aperture
  • Surface Quality
    20-10 scratch-dig
  • Surface Flatness
    ≤λ/4 at 632.8 nm
  • Damage Threshold
    1000 W/cm2 CW, 1 J/cm2 with a 10 nsec pulse @ 1064 nm, typical
  • Clear Aperture
    >80% of central dimension
  • Size Tolerance
    ±0.254 mm
  • Operating Temperature Range
    -50 to 90°C
  • Durability
    MIL-C-675C, moderate abrasion million cycles
  • Cleaning