Linear Polarizer, Precision, 50.8 mm, 30.5 mm Clear, 430-670nm

Technical Specs

  • Diameter
    50.8 mm  
  • Wavelength Range
    430-670 nm
  • Material
    Grade A N-BK7
  • Polarizing Material
    Polymer film
  • Extinction Ratio
    700:1
  • Damage Threshold
    1 W/cm2 CW, 0.2 J/cm2 with 20 nsec pulses, visible, typical
  • Reflectivity
    Ravg <0.5 %, 400-700 nm
  • Surface Quality
    40-20 scratch-dig
  • Clear Aperture
    30.5 mm
  • Diameter Tolerance
    ±0.13 mm
  • Transmitted Beam Deviation
    ≤1 arc min
  • Angle of Incidence
    ±10°
  • Wavefront Distortion
    ≤ λ/5 at 632.8 nm over the clear aperture
  • Unpolarized Transmission, Parallel Pair
    H0 >28%
  • Unpolarized Transmission, Single
    TT >37%

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