Edge Pass Optical Filters

ECI's designs and manufactures high performance Edge Pass Optical Filters for use in applications that demand excellent durability and environmental stability.

  • All-dielectric materials
  • Steep transition
  • High transmission with low pass band ripple
  • Rejection levels typically 0.01% T (OD 4) or better
  • UV, visible and NIR applications
  • Substrates up to 200mm in diameter
  • Filters meet the environmental requirements of MIL-C-48497


High performance Edge Pass Optical Filter coatings are deposited on custom optics, crystals, polymers, fibers, semiconductors and glass substrates up to 200mm in diameter.

  • Typical Edge Pass Optical Filters designs
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ECI 1010 ECI 1010
ECI 1010 ECI 1010
ECI 1010

Contact our design team to discuss your specific Rejection Optical Filter application!