Optical Filter by Knight Optical (UK) Ltd

Note: Your Quotation Request will be directed to Knight Optical (UK) Ltd.

The 214FIB12 Knight Optical is a UV Interference Band-Pass Optical Filter that lets through the central wavelength of 214 nm. It has an average wavelength blocking range of 200 to 1150 nm with OD4 (0.01%) optical density tolerance. This optical filter has a peak transmission of 14% and FWHM of 14. It has an 8.5 mm aperture with a bandwidth of 10 nm. This optical filter is available in a hermetically sealed package mounted in a black anodized aluminium ring that measures Ø12.5 x 6.1 mm.

Product Specifications

Product Details

  • Part Number
  • Manufacturer
    Knight Optical (UK) Ltd
  • Description
    214 nm UV Interference Band-Pass Optical Filter

General Parameters

  • Filter Type
    Bandpass Filter
  • Glass Color
  • Wavelength
    214 to 320 nm
  • Wavelength Tolerance
    ± 20%
  • Center Wavelength(CWL)
    1600 nm
  • Bandwidth (FWHM)
    10 nm
  • Blocking Wavelength
    200 to 3000 nm
  • Clear Aperture
    8.5 mm, 21 mm, 46 mm
  • Optical Density
  • Optical Density Tolerance

Physical Properties

  • Filter Shape
  • Thickness
  • Thickness Tolerance
    +/-0.2 mm
  • Filter Diameter
    12.5 mm, 25 nm & 50 nm
  • Surface Quality
    80 - 50 scratch-dig


  • Operating Temperature display
    -50 to 80 °C

Technical Documents

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