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Sputtered UV Filters

UV filters can be designed with metal/dielectric/metal stacks. These designs can be fabricated for applications across the VUV and UV. An example of a 220nm bandpass is shown below. Spectral width is adjustable via the number of cavities in a design. These filters are quite robust in humid environments.


Omega fabricates these UV designs by sputtering thin metals and dielectrics in the chamber shown below.


  • Standard Sizes: 12.5, 25 and 50mm
  • Thickness as specified

Applications for Sputtered UV Filters

  • UV optical systems
  • VUV optical systems