Right-Angle Prism-Retroreflectors
Right-Angle Prism-Retroreflectors
| BK7 |
| +0.0/-0,2 mm |
| 40-20 scratch & dig |
| >80% of the face size |
| λ/4 at 632.8 nm |
| +/- 2 arcmin (general type) |
| None. Please refer to Coatings Section |
Right-angle prisms - retroreflectors are often preferable to an inclined mirror in applications involving severe acoustic or inertial loads, because they are
easier to mount, and deform much less than mirror in response to external mechanical stress. As long as acceptance angle limitations for TIR from the roof
faces are not exceeded, the right angle prisms are working as a retro reflector, turning beams back to the original direction.
 |
Working as internal or external reflectors or as retro-reflectors |
|
Custom design production is also available |
| 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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