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Knight Optical(UK) Ltd - - +44 (0)1622 859444

Dichroic beamsplitters shortwave reflecting filters (45° AOI)

What are you looking for in Stock?

These dichroic shortwave reflecting beamsplitters are a special type of interference filter, they split the light into two or three spectral bands, some are transmitted and the others reflected with negligible absorption. This type of filter is ideal for high powers and lacks the strong fluorescence of certain glass filters. Generally the bands are based on the three primary colours of red, green and blue.  Dichroic Beamsplitters  are widely used in LCD projectors and in some sensor systems. As the name suggests these are used at 45° incidence and the reflected light is deviated through 90°.  Typical applications for dichroic shortwave reflecting beamsplitters are in separation of laser wavelengths in fluorescence microscopy. Listed here are our individual dichroic shortwave reflecting beamsplitter filters.

Contact our multilingual technical sales team and discover how Knight Optical’s high quality stock Dichroic beamsplitters and service can improve your instrumentation and supply chain experience.

Diameter: +0.0 / -0.2 mm
Length/width: ± 0.2 mm
Thickness: ± 0.25 mm
Surface quality: <60-40 scratch/dig

Wavelength cut-off listed in table is transition cut-on wavelength (T=Tmax/2)
Wavelength cut-on listed in table is transition cut-off wavelength (T=Tmax/2)

  • Mounting of diameters and squares.
  • Antireflective coatings can be applied to one or both faces for improved transmission.
  • Cutting down or edged to special shapes and sizes at short notice.
  • Larger 450mm diameter sheets are available from stock for custom sizes.
  • Available in sets, supplied in a wooden storage box for research and laboratory use.

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