Polarizer, Glan-Thompson Calcite, 25.4 mm Diameter, Uncoated

Technical Specs

  • Diameter
    25.4 mm  
  • Wavelength Range
    350-2300 nm
  • Material
    Optical Grade Calcite
  • Extinction Ratio
    100,000:1
  • Damage Threshold
    1 W/cm2 CW, 0.1 µJ/cm2 with 10 nsec pulses, typical
  • Surface Quality
    20-10 scratch-dig
  • Clear Aperture
    10.0 mm
  • Diameter Tolerance
    ±0.25 mm
  • Transmitted Beam Deviation
    <3 arc min
  • Transmission
    35-40% at 350nm, 65-70% at 400 nm, 80-88% at 500 nm and longer wavelengths
  • Acceptance Angle
    14°–16°, full angle
  • Wavefront Distortion
    ≤λ/4 at 632.8 nm over the full aperture
  • Maximum Temperature
    90°C

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