Littrow Prism

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Littrow Prism

Littrow prisms are typically 30°/60°/90° prisms, with a reflective film coating on the beveled surface. Coated littrow dipersion prisms are used to deviate the line of sight by 60°.

Uncoated littrow dipersion prisms are used to disperse light into its component spectrum.angle.

Specifications

MaterialBK7, UV Fused Silica, Sapphire, ZnSe, Caf2, Si, Ge, etc.
Size0.5mm-300mm
Size tolerance+/-0.02mm or customer request
Clear Aperture>90%
S/D60-40 40-20 20/10 10/5
Flatness1/10lambda at 632.80nm
Chamfer0.25mmx45°
Angle tolerance<2”, <3”, <30”, <1′, <3′
CoatingAR, HR, Aluminum, Silver or customer request.
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