IR Windows

  • The package windows for the FPA’s detectors (FLIR or ULIS detectors) used in thermal imaging cameras are offered. The substrates of Ge, Si, ZnSe and Sapphire and AR coating, IR long pass filtering coating and band pass filtering coatings are available.  
  • Silicon (Si) Windows manufactured from optical grade silicon are popular for the 1.2 - 7μm spectral region due to their low cost and low density. Due to its low density (half that of germanium or zinc selenide), silicon is ideal for weight sensitive applications, especially those in the MWIR thermal imaging 3 - 5μm region. Density is 2.329 g/cm3 and Knoop Hardness is 1150, making it harder and less brittle than germanium.

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