| Substrate material | Fluorineplast ( teflon ) |
| Spectral range, mm | 1.5 - 7 | 2 - 7 |
| Typical operation aperture, mm | 25 |
Standard holder size
at typical aperture, mm | D42 x 8 or D34.9 x 7.9 |
| Maximal operation aperture, mm | 80 | 100 |
| Grooves per mm | 2400 | 1200 |
| Transmission efficiency K1, % | 75 - 85 | 75 - 80 |
Transmission of unwanted radiation
K2, % | <1 @ 1.5 mm
<0.5 @ 2 mm
<0.1 @ 3-7 mm | <2 @ 1.5 mm
<0.1 @ 3 mm |
Degree of polarization
(K1-K2)/(K1+K2), % | >97 @ 1.5 mm
>99 @ 2-7 mm | >97 @ 2 mm
>99 @ 3-7 mm |
| Extinction ratio E=K1/(2*K2) | 40-45 @ 1.5 mm
70-85 @ 2 mm
380-430 @ 3-7 mm | >40 @ 1.5 mm
380-400 @ 3 mm |
