GG Series

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The GG Series from Optics and Allied Engineering Pvt. Ltd. are Color Glass Optical Filters that allow transmission at a wavelength of 400 nm - 495 nm. They have a tolerance of ± 0.2mm, parallelism of up to 1 arc minutes, and flatness of 2λ (at 632.8nm). These Yellow glass optical filters have a clear aperture of greater than 90% and scratch & dig surface quality of 80/50. They have a diameter of 3 mm - 160 mm and thickness of 1mm - 6mm. These round or rectangular filters are ideal for long-pass and bandpass filter applications.

Product Specifications

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Product Details

  • Part Number
    GG Series
  • Manufacturer
    Optics and Allied Engineering Pvt. Ltd.
  • Description
    400 nm - 495 nm, Color Glass Optical Filters for Bandpass Filter Applications

General Parameters

  • Filter Type
    Color Glass Filter, Bandpass Filter
  • Glass Color
  • Wavelength
    400 to 495 nm
  • Clear Aperture
  • Parallelism
    <1 arcmin

Physical Properties

  • Filter Shape
    Round, Rectangle
  • Substrate/Material
    GG400, GG420, GG455, GG475, GG495
  • Thickness
    1 to 6 mm
  • Thickness Tolerance
    ±0.2 mm
  • Filter Diameter
    3 to 160 mm
  • Surface Flatness
  • Surface Quality
    80-50 scratch-dig


  • Operating Temperature display
    -50 to 100 Degree C

Technical Documents

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