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Pellin Broca Prisms

Deviate light wavelength by 90°
Separate light beam of multiple wavelengths to single wavelengths

Pellin Broca prism is a constant (90°) deviation dispersive prism. These prisms separate light beam of multiple wavelengths to single wavelength. Pellin Broca prism's incidence angle is Brewster's angle, which minimizes the reflection losses in P-polarized light. Hence, these are known as Brewster's angle prisms as well. Holmarc offers Pellin Broca Prisms in three different substrate materials.



    Materials :     BK7 or equivalent, N-SF1 & UV fused sIlica
    Surface Quality :     40 - 20 ( scratch-dig )
    Dimensional Tolerance :     + 0.0, -0.2 mm
    Surface flatness :     λ / 4 @ 632.8 nm
    Clear aperture :     80 %
    Angle tolerance :     α = 79.5° ± 0.5°, β = 60° ± 1°








Model No. Clear Aperture ( mm ) A ( mm ) B ( mm ) H ( mm ) Material Price ($)
HO-PBB-5 5 11 20 6.4 BK7 or
equivalent
58.00
HO-PBB-10 10 23.5 40 12.7 77.00
HO-PBS-5 5 11 20 6.4 Fused Silica 91.00
HO-PBS-10 10 23.5 40 12.7 139.00
HO-PBF-5 5 11 20 6.4 N - SF1 76.00
HO-PBF-10 10 23.5 40 12.7 118.00
Material other than BK7, NSF1 and Fused silica are available on special request.

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