| Material |
Spectral range (um) |
Transmission efficiency, % (k1) ; (k2) |
Degree of polarisation, % (k1-k2) / (k1+k2) |
Extinction ratio (k1/2k2) |
Contrast ratio (k1/k2) |
Type |
| KRS-5 |
2-35 microns |
(k1>75%; k2<0,7%)@3um ; (k1>71%; k2<0,3%)@15um |
98,2%@3um ; 99,2%@15um |
54:1@3um ; 118:1@15um |
108:1@3um ; 236:1@15um |
Holographic |
| CaF2 |
1-10 microns |
(k1>85%; k2<0,7%)@3um ; (k1>80%; k2<0,24%)@8um |
98,4%@3um ; 99,4%@8um |
61:1@3um ; 165:1@8um |
122:1@3um ; 330:1@8um |
Holographic |
| BaF2 |
1-13 microns |
(k1>85%; k2<0,58%)@3um ; (k1>85%; k2<0,23%)@10um |
98,6%@3um ; 99,5%@10um |
73:1@3um ; 185:1@10um |
146:1@3um ; 370:1@10um |
Holographic |
| ZnSe |
1-16 microns |
(k1>70%; k2<0,6%)@3um ; (k1>72%; k2<0,22%)@10um |
98,3%@3um ; 99,4%@10um |
58:1@3um ; 163:1@10um |
116:1@3um ; 326:1@10um |
Holographic |
| CaF2 |
1-9 microns |
(k1>70%; k2<0,7%)@3um |
>98%@3um |
>50:1@3um |
>100:1@3um |
Mechanically ruled |
| ZnSe |
1,5-14 microns |
(k1>70%; k2<1,4%)@3um |
>97%@3um |
>25:1@3um |
>50:1@3um |
Mechanically ruled
|
