Broadband beam splitter

  • The front surface of the beamsplitter plate is coated with beamsplitter coating, and the rear surface is usually coated with antireflective film to reduce the interference effect between beams and ghost images. The spectroscopic flat film is light in weight, moderate in price and relatively easy to make.
  • Borisun optics supports customization of a variety of beamsplitter coatings, including broadband beamsplitter coatings, aluminized dot matrix beamsplitter coatings, elliptical beamsplitter coatings and visible beamsplitter coatings.
Technical parameters
Items Parameters
Material optical glass, H-K9L (N-BK7)
Surface quality 40/20- 60/40
Effective aperture 90%
Quantity Accuracy λ/2@633nm
Parallel Error <1′
Dimensional error +0.0/-0.1mm
Bevel 0.2-0.5mmX45°
S1 surface splitting coating Average value of spectral ratio (R / T) ± 10% of nominal bandwidth
S2 surface Antireflective coating Ravg < 1% of the average value within the nominal bandwidth
spectral curve

In addition, We can customize the optical beam splitter according to customer requirements or drawings.

For details, please consult:

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