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OBSOLETE Achromatic Zero-Order Qtz-MgF2 Wave Plate, 25.4 mm,λ/2,650-1350nm

Technical Specs

  • Diameter
    25.4 mm
  • Wavelength Range
    650-1350 nm
  • Retardation
    λ/2
  • Material
    Crystal Quartz and MgF2
  • Clear Aperture
    12 mm  
  • Housing
    Black anodized aluminum
  • Damage Threshold
    500 W/cm2 CW, 2 J/cm2 with 8 nsec pulses at 1064 nm, typical
  • Reflectivity per Surface
    Broadband, multilayer coating, Ravg <0.5%
  • Surface Quality
    40-20 scratch-dig
  • Construction
    Two plates, air spaced
  • Diameter Tolerance
    ±0.13 mm
  • Transmitted Beam Deviation
    ≤1 arc min
  • Thickness
    9.5 mm  
  • Wavefront Distortion
    ≤λ/8 at 632.8 nm over the clear aperture
  • Operating Temperature Range
    -20 to 50 °C
  • Cleaning
  • Retardation Accuracy
    From ±λ/50 to ±λ/100