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°.
Product Details
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
| Material | BK7, UV Fused Silica, Sapphire, ZnSe, Caf2, Si, Ge, etc. |
| Size | 0.5mm-300mm |
| Size tolerance | +/-0.02mm or customer request |
| Clear Aperture | >90% |
| S/D | 60-40 40-20 20/10 10/5 |
| Flatness | 1/10lambda at 632.80nm |
| Chamfer | 0.25mmx45° |
| Angle tolerance | <2'', <3'', <30'', <1', <3' |
| Coating | AR, HR, Aluminum, Silver or customer request. |
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