Equilateral prisms has three equal 60°angles, and are mostly used to disperse the spectrum.
Specifications:
| Material: | N-SF11 |
| Dimension Tolerance: | +0.1, -0.1mm |
| Surface quality: | 60-40 S/D |
| Surface flatness: | λ/2 @ 632.8nm |
| Angle Tolerance: | ±3 arc min |
| Clear Aperture: | >85% of dimension |
| Bevel: | <0.25mm×45 |
| Coating: | Upon requirement |
Typical Sizes:
| A=B=C(mm) | H(mm) | θ |
| 15.0 | 15.0 | 60° |
| 25.4 | 25.4 | 60° |
| 30.0 | 30.0 | 60° |
| 38.1 | 38.1 | 60° |