Dispersion prisms as radiation component which were used in the experiment of instrument or some need wavelength separate. When the dispersion of the prism is non-linear, the spectrum brightness is stronger than diffraction raster, and cannot make the continuous spectrum be mixture. The angle 60 deg, between the two square surfaces, makes the great compromise for the dispersion and reflection losing.
| ATTRIBUTE | SPECIFICATIONS |
| DIAMETER TOLERANCE | +0.1, -0.1mm |
| angle tolerance | +/-3′ |
| CLEAR APERTURE | >90% |
| flatness | λ/4 @632.8nm |
| SURFACE QUALITY | 40/20 scratch and dig |
| BEVEL | < 0.2 mm x 45° |
| COATING | With or without AR coating on outside surfaces |
