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  • Corner Cube Retroreflectors
  • Corner Cube Retroreflectors

Corner Cube Retroreflectors

  • Reflect beam back 180° toward its source
  • Total internal reflections (TIR) or specular reflections available
  • Often used in surveying and alignment
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Material N-BK7 or equivalent Dimension Tolerance +0/-0.2mm
Surface Quality 60/40 S/D Clear Aperture >80%

<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 cube retroreflectors are comprised of three reflecting surfaces, which are perpendicular to each other. Corner cube reflector can return an incident light beam in the original direction whatever the incident direction it is. It offers excellent parallelism of incoming and reflecting beams. It is usually directed to be applied in angular deviation,and also commonly used in the fields of  surveying and laser ranging .

Hangzhou Shalom EO offers corner cube retroreflectors made from BK7.