| Substrate material | CaF2 |
| Spectral range, mm | 1 - 9 |
| Typical operation aperture, mm | 25 x 25 |
| Standard holder size at typical aperture, mm | D42 x 8 |
| Maximal operation aperture, mm | 50 x 50/D 50 |
| Grooves per mm | 2400 |
| Transmission efficiency K1 (average), % | >70 |
| Transmission of unwanted radiation K2, % | 1-2 @ 1.5 mm
<0.5 @ 2 mm
<0.1 @ 3-9 mm |
| Degree of polarization (K1-K2)/(K1+K2), % | 94-97 @ 1.5 mm
>98 @ 2 mm
>99 @ 3-9 mm |
| Extinction ratio E=K1/(2*K2) | 15-35 @ 1.5 mm
70 @ 2 mm
350 @ 3-9 mm |
