Optical filters

Custom design

Spectrogon manufactures optical interference filters in the range 220-14000 nm.

Filter types

  • Bandpass filters
  • Narrow bandpass filters
  • Longwave-pass filters
  • Shortwave-pass filters
  • Broad-bandpass filters
  • Neutral density filters

Most common manufacturing sizes

  • Dia 25.4 mm
  • Dia 50.8 mm
  • Dia 75.0 mm
  • Dia 100.0 mm

The above filter sizes can easily be cut to the required size in our cutting facility

Filter delivery on tape frame  

Manufacturing process
All filters are manufactured with a hard coating technique, which gives films with superior environmental stability. Specifications according to MIL-F-48616!


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