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  • Corner Cube Retroreflector
  • Corner Cube Retroreflector

Corner Cube Retroreflector

  • 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 reflectors are made of 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. It can offer excellent parallelism of incoming and reflecting beams. It is usually specified as an angular deviation. 

Hangzhou Shalom EO offers cone cube retro-reflectors made from BK7, they are often used in surveying and laser ranging applications.