Linear Polarizer, Polarcor, 10,000:1, 740-860 nm, 12.7 mm

  • Diameter
    12.7 mm  
  • Wavelength Range
    740-860 nm
  • Material
    Polarcor
  • Polarizing Material
    Borosilicate glass with aligned silver particles, n=1.523 at 589.3 nm
  • Extinction Ratio
    10000:1
  • Damage Threshold
    7.5 J/cm2, 10 ns pulses, 10 Hz at 1064 nm
  • Surface Quality
    40-20 scratch-dig
  • Efficiency
    Tp/Ts >10,000:1; k1/k2 >10,000:1 in the specified wavelength range
  • Clear Aperture
    8.1 mm
  • Diameter Tolerance
    ±0.1 mm
  • Transmitted Beam Deviation
    ≤2.6 arc min
  • Principal Transmission
    k1 >89%
  • Acceptance Angle
    0-30°
  • Wedge
    ≤20 arc sec
  • Thickness
    0.5 mm  
  • Wavefront Distortion
    ≤ λ/4 at 632.8 nm over the clear aperture
  • Maximum Temperature
    400°C
  • Cleaning