Sorry, this product is no longer offered for sale. It was discontinued on Jun 24, 2019.

Half Wave Plate, Multiple-Order, Quartz, 12.7 mm Diameter, 441.6 nm

Technical Specs

  • Diameter
    12.7 mm
  • Thickness
    1 mm  
  • Material
    Quartz
  • Construction
    Single plate
  • Wavelength Range
    441.6 nm
  • Retardation
    λ/2
  • Retardation Accuracy
    ±λ/300 at 20°C ±1°C
  • Damage Threshold
    2 MW/cm2 CW, 2 J/cm2 with 10 nsec pulses
  • Wavefront Distortion
    ≤λ/10 at 632.8 nm over the full aperture
  • Surface Quality
    10-5 scratch-dig
  • Reflectivity per Surface
    R <0.5%
  • Clear Aperture
    11.4 mm
  • Diameter Tolerance
    +0/-0.25 mm
  • Wedge
    <0.5 arc sec
  • Cleaning