Corner Cube Prisms
A corner cube prism has three mutually perpendicular reflecting faces and one entrance/exit base, forming a tetrahedral corner cut from a cube. Three total internal reflections return light antiparallel to the incident direction. Return direction remains unchanged for prism tilts within ±15°–±20°, avoiding precise alignment. The source describes a constant internal optical path equal to twice the prism height for interferometric length measurement. Typical specifications include beam deviation of 180° ±3″ to ±10″, surface figure λ/4 at 632.8nm, reflectivity above 95% for uncoated total internal reflection and up to 98% with aluminum. Materials include BK7, fused silica and K9, selected for the wavelength band.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | H-K9L |
| Surface Quality | 60/40 |
| Clear Aperture | ＞90% |
| coating | Incident surface Antireflection Coating ：790-890nm，Rave＜0.5%， reflection surface Not Coating |
| Dimensions | Made to Requirements |
| Dimensions tolerance | 0/-0.2mm |
Applications
Datasheet
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Supplier Information
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