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Equilateral Prisms

Specially for light dispersion
Sizes Ranging from 5 - 50 mm

Applications of equilateral prisms are to disperse or break light into its spectral components. These prisms are available from Holmarc either uncoated or with single layer anti-reflection coating on the faces. AR coating helps to reduce polarization at the surface by increasing total transmittance. Broadband multi-layer anti-reflection coated prisms can be provided on special requests.



    Material :     BK7 or equivalent & F2
    Effective aperture :     85 %
    Surface Quality :     40 - 20 ( scratch-dig )
    Dimensional Tolerance :     + 0.0, -0.2 mm
    Angle tolerance :     +/- 3 arc min
    Surface flatness :     λ / 4 @ 632.8 nm
    Protective chamfer :     0.2 mm x 45°
    AR coating :     Optional, on faces








Model No. A = B = C ( mm ) Material Price ($)
Uncoated Single Layer MgF2 Uncoated Single Layer MgF2
HO-EPB-5 HO-EPBC-5 5 BK7
or
equivalent
53.00 66.00
HO-EPB-10 HO-EPBC-10 10 65.00 78.00
HO-EPB-20 HO-EPBC-20 20 72.00 85.00
HO-EPB-25 HO-EPBC-25 25 78.00 91.00
HO-EPB-38 HO-EPBC-38 38 94.00 107.00
HO-EPB-50 HO-EPBC-50 50 152.00 165.00
HO-EPF-5 HO-EPFC-5 5 F2 73.00 86.00
HO-EPF-10 HO-EPFC-10 10 84.00 97.00
HO-EPF-20 HO-EPFC-20 20 98.00 111.00
HO-EPF-25 HO-EPFC-25 25 111.00 124.00
HO-EPF-38 HO-EPFC-38 38 161.00 174.00
HO-EPF-50 HO-EPFC-50 50 212.00 225.00

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