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Littrow Prisms

Coated prism divert the incident beam by 60°
Uncoated prism ideal for dispersion of white light into spectrum

Holmarc’s Littrow prisms are 30° - 60° - 90° prisms made from N-BK7 material. The uncoated littrow prisms are used to disperse white light into its spectrum. Coated littrow prisms are used to divert the incident beam at 60°.



    Material :     BK7 or equivalent
    Angle tolerance :     ± 3 arc min
    Surface Quality :     40 - 20 ( scratch-dig )
    Dimensional Tolerance :     + 0.0, -0.2 mm
    Surface flatness :     λ / 4 @ 632.8 nm
    Coating :     Al + SiO @ face opposite to 60° angle ( optional )








Model No. A ( mm ) B ( mm ) Price ($)
Uncoated Coated Uncoated Coated
HO-LP-12.5 HO-LPC-12.5 12.5 21.65 46.00 57.00
HO-LP-25 HO-LPC-25 25 43.30 60.00 71.00

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