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Equilateral Prism F2 or equivalent 40x40mm aperture AR coated vis (BBAR 450-750nm)


US$249.23
IN STOCK
Only 10 left in stock
SKU: PEG4040
More Information
Length (mm) 40
Material F2 or equivalent
Coating AR coated vis (BBAR 450-750nm)
Height (mm) 40
Refractive Index (nd) 1.62

Knight Optical’s dispersing equilateral prisms feature a simple triangular cross-section with equal 60° angles and are ideal for separating light into its constituent wavelengths. With a variety of material choices, including F2 and SF11 optical glass with high refractive indices for maximising the separation between wavelengths, UV fused silica for UV wavelengths, and calcium fluoride and zinc selenide for infrared wavelengths, Knight Optical offers a range of variety dispersing prisms.  

Standard equilateral prisms are available from stock, while our technical sales team can support custom designs and coatings tailored to your exact requirements.

Materials:
Dimensions:
Surface Quality:
Coating:
UV grade fused silica, F2SF11 or equivalent
± 0.2 mm
60/40 scratch/dig
SF11/F2 substrates: Broadband Multilayer AR, R(avg) < 0.5% @ 450-750nm (AV1)
UVFS, CaF2, ZnSe substrates are uncoated

AR coatings.
Mirror coatings
Stock prisms can be machined thinner.

Antireflective Coating for visible (AV7)
Single layer Mgf² AR for high index, R.avg<0.2%@550nm)