Cube Beamsplitter, Polarizing, 25.4 mm, 900-1300 nm

Technical Specs

  • Antireflection Coating
    900-1300 nm
  • Size
    25.4 x 25.4 x 25.4 mm
  • Material
    SF 2, NSSK grade
  • Coating Code
    PB.7
  • Surface Quality
    20-10 scratch-dig
  • Surface Flatness
    ≤λ/4 at 632.8 nm
  • Durability
    MIL-C-675C, moderate abrasion million cycles
  • Angle of Incidence
    0°±5°
  • Clear Aperture
    >80% of central dimension
  • Damage Threshold
    2000 W/cm2 CW, 1 J/cm2 with a 10 nsec pulse, typical
  • Size Tolerance
    ±0.254 mm
  • Shape
    Cube
  • Efficiency
    Tp >80%, >90% average, Rs >99.5% average
  • Cleaning
  • Orientation
    To avoid damage, beam should enter prism marked with a dot
  • Reflected Beam Deviation
    90° ±5 arc min
  • Operating Temperature Range
    -50 to 90°C
  • Transmitted Beam Deviation
    ≤5 arc min
  • Extinction Ratio
    Tp/Ts >500:1, 1000:1 average
  • Wavefront Distortion
    ≤λ/4 at 632.8 nm over the clear aperture