Wedge prism as the beam control component in optics system acts like the wobble plate in the mechanism. The vertex angle of the wedge prism needs one given minimum deviation.
| ATTRIBUTE | SPECIFICATIONS |
| DIAMETER SIZE | N-BK7 or specified |
| DIAMETER TOLERANCE | +0.1, -0.1mm |
| angle TOLERANCE | +/-1' |
| flatness | λ/4 @632.8nm |
| CLEAR APERTURE | >90% |
| SURFACE QUALITY | 40/20 scratch and dig |
| BEVEL | < 0.2 mm x 45° |
| COATING | With AR coating on outside surfaces |
