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Directly Heated Cathodes

Directly Heated Cathodes

Uses in hundreds of thousands of gas lasers—argon, krypton, xenon and combinations— SAES dispenser cathodes, manufactured by Spectra-Mat, Inc., have proven to be a robust and long-lived laser component, with life of cathode typically exceeding the life of the available gas reservoir, and through a process developed over five decades of experience.



  • Vertically integrated production from powder to finished product
  • Filament cathodes available in diameters from .118 inch to 1.00 inch or larger.
  • Leg dimensions according to customer specification.


Final Applications

  • Ion Gas Lasers
  • Flash Lamps


For more information, please visit Spectra-Mat website at: