06 Jan 2022 Dove prism inverts the orientation of an image, so they are also called image rotation or reversion prisms. They are shaped like right angled prisms with the right angle truncated. When such a prism is rotated along its longitudinal axis, it has the interesting property of rotating a beam of light at twice the rate making wonderful beam rotators. It is usually apply to interferometry, astronomy and pattern recognition.
specification:
| Material |
BK7, Fused Silica,Ge,Si, CaF2. |
| Diameter |
2-300mm |
| Flatness |
1/4lambda or better |
| Diameter Tolerance |
+0.01, -0.01 mm |
| Thickness Tolerance |
±0.1 mm |
| Paraxial Focal Length |
±2% |
| Centration |
<3 arc minutes |
| Clear Aperture |
>85% |
| Surface Quality |
60-40 scratch and dig or better |
| Protective Bevel |
0.25 mm x 45° |
| Coating: |
Specified by customers |
| Angle tolerance |
+/-30 seconds |
|
