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Longpass Filter, Colored-Glass Alternative, 6.5 in., 830 nm Cut-on

Technical Specs

  • Type
    Colored Glass Alternative Longpass Filter
  • Optic Size
    165.1 x 165.1 mm
  • Cut-on Wavelength
    830 nm
  • Cut-on Wavelength Tolerance
    ±8 nm
  • Effective Index of Refraction
    1.79
  • Surface Quality
    80-50 scratch-dig
  • Thickness
    1.1 mm
  • Thickness Tolerance
    ±0.1 mm
  • Size Tolerance
    ±0.010 in.
  • Clear Aperture
    ≥90% of filter size with film-to-the-edge
  • Temperature Range
    -100 to 400°C
  • Humidity Resistance
    MIL-STD-810, Method 507.3, Procedure III, Modified to 40 cycles
  • Abrasion, Adhesion, Hardness
    MIL-C-48497
  • Cleaning