Optical Interference Filters

Coating Equipment for Precision Optical Components

Optical interference filters - such as bandpass, dichroic, polarizing, and notch filters, as well as beam splitters - must satisfy exceptionally strict optical criteria. They require minimal losses, virtually no absorption or scattering, high transmission in the passband, deep blocking in the stopband, and steep, accurately defined spectral edges.

As cameras, projectors, telescopes, and optical measurement technologies continue to evolve, the demand for standardized components with increasingly advanced interference coatings grows in parallel.

These multilayer coatings determine the precise function of each optical element. They can reflect light, divide it into partial beams, block selected wavelengths, or act as highly accurate pass filters for defined spectral ranges.

For these sophisticated filter designs, we offer coating systems engineered to deliver the precision, stability, and performance your applications require.