Plano-Convex Lens, Fused Silica, 25.4 mm, 150 mm EFL, AR.1 coated

Technical Specs

  • Lens Shape
    Plano-Convex
  • Diameter
    25.4 mm
  • Lens Material
    HPFS 7978
  • Antireflection Coating
    1064 nm
  • Coating Code
    AR.1
  • Reflectance
    Ravg<0.25% @ 1064 nm
  • Damage Threshold
    15J/cm2 with 20 nsec pulses @1064 nm, 10 Hz
  • Surface Quality
    15-5 scratch-dig
  • Surface Accuracy, Irregularity
    λ/8
  • Surface Accuracy, Power
    1.5 λ  
  • Surface Flatness
    λ/10
  • F/#
    5.9  
  • Effective Focal Length (EFL)
    150 mm  
  • Back Focal Length (BFL)
    147.13 mm  
  • Radius of Curvature (R)
    68.850 mm  
  • Center Thickness (Tc)
    4.181 mm  
  • Design Wavelength
    589 nm
  • Chamfers
    0–0.8 mm face width
  • Chamfers Angle/Tolerance
    45° ±15°, typical
  • Focal Length Tolerance
    ±1 %
  • Diameter Tolerance
    +0/-0.1 mm
  • Center Thickness Tolerance
    ±0.1 mm
  • Clear Aperture
    ≥central 90% of diameter
  • Cleaning