Corner Cube Prism

Corner Cube Retroreflectors

OPTICST

ItemOP09
MaterialBK7, UVFS
Dimension Tolerances+0.0/-0.3 mm
Flatnessλ/4 @ 633 nm
Surface Quality40-20 S/D
Beam Deviation180° ± 30 arcsec
Angular Deviation±5 arcsec
Clear Aperture>80%
CoatingUncoated
corner cube prisms, retroreflectors, can reflect any incident light or beam from the prism face back to the light source (regardless of the direction of the prism), and the triple total internal reflection of the prismatic retroreflector allows it to work even at extremely high light incidence angles, making them ideal for precision alignment rangefinder applications.

BK7 or UVFS Corner cube retroreflectors designed to deviate incident light by 180 degrees independently of an angle of incidence. These prisms have 3 mirror surfaces making angles of 90 deg to each other, juxtaposed to form the corner of a cube with the entrance face perpendicular to cube diagonal. All beams, despite of incident direction, are reflected back to the original direction. Corner cubes are used in high precision applications or with lasers over very long distances.

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