| Description of the design | Input Coupler |
| Type | Mirror |
| Subtype | DM (dispersive mirror) |
| Nominal GDD | 0 fs2 |
| First working range | |
| Central wavelength | 2100 nm |
| Spectral working range low end | 1400 nm |
| Spectral working range high end | 2800 nm |
| Maximum reflectance | - |
| Minimum reflectance | 95 % |
| Angle of Incidence in degrees | 0 ° |
| Angle of Incidence in degrees (double-angle) | 5 ° |
| Polarization regime (primary spectral range) | p |
| Spectral category | IR |
| Minimum transmission | - |
| Second working range | |
| Second spectral working range low end | 1400 nm |
| Second spectral working range high end | 2000 nm |
| Minimum reflectance | 5 % |
| Polarization regime (second working range) | p |
| Minimum transmittance | 95 % |