Corner Cube Retroreflectors

Material	BK7, UVFS
Dimension tolerances	+0.0/-0,2 mm
Surface Quality	40-20 scratch & dig
Flatness	λ/4 at 632.8 nm
Beam deviation	180deg ± 30 arcsec
Angular deviation	+/- 5 arcsec

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Description Metrology

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.

Altechna metrology lab applies following product inspection:

Visual inspection – surface quality evaluation according to MIL 13830 and ISO 10110 standards

Dimensions – measurement of geometrical dimensions, as diameter, thickness, etc.

Angle (Goniometer)*

Pyramidal error (Goniometer)

Flatness (Interferometer)

Wavefront distortion (Interferometer)

*(…) used equipment

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Coatings	Dimensions d x h, mm	Material	Product ID	Price	Action

Uncoated	25.4 x 19.0	BK7	1-PCR-1-0254	96 €
Uncoated	38.1 x 28.5	BK7	1-PCR-1-0381	126 €
Uncoated	25.4 x 19.0	UVFS	1-PCR-2-0254	172 €