Cold Mirror


Separation of Visible and Infrared Radiation


Cold mirrors reflect visible radiation while transmitting the infrared. Cold mirror KS93/45° is optimized for flat substrates and 45° incidence angle. Incidence angle of 0° on request.

Separation of Visible and Infrared Radiation


Benefits

  • High reflection of visible radiation
  • High transmission of infrared energy
  • Precise transition from reflection to transmission
  • Good neutrality of reflected light
  • Absorption free dielectric coating
  • Mechanically and chemically resistant
  • Defined color temperature on request

Schematic of cold mirror


Applications

  • Projectors
  • Cineprojectors
  • Copy machines
  • Medical instruments
  • Fiber optic illumination
  • Instrumentation



Technical Data

Heat resistant:                                                                  up to 300 °C


Spectral characteristics, AOI = 45°

R ≥ 97% 425–600 nm

T = 50% 685±15 nm

T ≥ 80% 750–2500 nm


Standard size:                                                       160 ⋅ 110 ⋅ 1.1 mm


Principle curves of cold mirror KS93/45°