| Description of the design | Dispersive mirror with high reflectivity |
| Type | Mirror |
| Subtype | DM (dispersive mirror) |
| Nominal GDD | - |
| First working range | |
| Central wavelength | 4000 nm |
| Spectral working range low end | 3500 nm |
| Spectral working range high end | 4500 nm |
| Maximum reflectance | - |
| Minimum reflectance | 99 % |
| Angle of Incidence in degrees | 45 ° |
| Angle of Incidence in degrees (double-angle) | - |
| Polarization regime (primary spectral range) | s |
| Spectral category | IR |
| Minimum transmission | - |
| Second working range | |
| Second spectral working range low end | 1950 nm |
| Second spectral working range high end | 2050 nm |
| Minimum reflectance | - |
| Polarization regime (second working range) | s |
| Minimum transmittance | 3 % |