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  • Corner Cuber Reflector
  • Corner Cuber Reflector

Corner Cuber Reflector

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Specifications:

Material N-BK7 or equivalent Dimension Tolerance +0/-0.2mm
Surface Quality 60/40 S/D Clear Aperture >80%
Flatness

<λ/4@632.8nm for big surface,

<λ/10@632.8nm for small surfaces

Wavefront Distortion <λ/2@632.8nm
Deviation Up to 180°±5 arc seconds Coating None, Available

Optical corner reflectors, called corner cubes, made of three-sided glass prisms, are used in surveying and laser ranging.

Three reflecting surface, each of them is perpendicular, corner cube reflector can return an incident light beam in the original direction whatever the incident direction it is.