Zero-Order Waveplate, Quarter-Wave, Polymer, 12.7 mm Diameter, 780 nm

  • Diameter
    12.7 mm
  • Wavelength Range
    780 nm
  • Retardation
    λ/4
  • Retardation Accuracy
    ±λ/350
  • Material
    Grade A N-BK7
  • Clear Aperture
    5.1 mm  
  • Housing
    Black anodized aluminum
  • Acceptance Angle
    ±9°
  • Transmitted Beam Deviation
    ≤1 arc min
  • Wavefront Distortion
    ≤λ/5 at 632.8 nm over the full aperture
  • Damage Threshold
    500 W/cm2 CW, 0.5 J/cm2 with 10 nsec pulses, @ 1064 nm, 0.3 J/cm2 with 10 nsec pulses at 532 nm, typical
  • Antireflection Coating
    Broadband, multilayer coating, R <0.5%
  • Surface Quality
    40-20 scratch-dig
  • Diameter Tolerance
    ±0.13 mm
  • Thickness
    5.7 mm
  • Operating Temperature Range
    -20 to 50°C
  • Cleaning