Windows |
Crystal Structure |
Transmission Range (μm)
|
Refractive index (μm) (n) |
Absorption coefficient |
Density (g/cm3) |
Melting Point (K) |
Hardness (Mohs) |
Max. size (Inch) |
|
1 |
Al2O3 |
Hexagonal |
0.17 ~ 5 |
1.0 2.0 3.0 4.0 1.7545 1.7374 1.7015 1.6748 1.7460 1.7299 1.6920 1.6679 |
0.2 @ 0.2 μm 0.02 @ 0.4 μm 0.46 @ 5 μm |
3.98 |
2030 |
9 |
6 |
2 |
BaF2 |
Cubic |
0.18 ~ 12 |
0.2 0.5 1.0 5.0 1.5573 1.4779 1.4686 1.4511 10.0 12.0 1.4014 1.3696 |
0.2 @ 0.2 μm 0.08 @ 0.4 μm 0.13 @ 10.6 μm |
4.83 |
1354 |
3 |
6 |
3 |
CaF2 |
Cubic |
0.15 ~ 9 |
0.2 0.5 1.0 5.0 1.4951 1.4365 1.4289 1.3990 10.0 12.0 1.3002 1.2299 |
0.1 @ 0.2 μm 0.01 @ 0.4 μm 0.03 @ 2.6~2.9 μm |
3.18 |
1418 |
4 |
8 |
4 |
Ge |
Cubic |
2 ~ 18 |
2 5 8.0 10.0 4.1079 4.0153 4.0053 4.0040 11.0 15.0 4.0031 4.0017 |
0.02 @ 10.6 μm |
5.33 |
937 |
6 |
8 |
5 |
LiF |
Cubic |
0.12 ~ 6.5 |
0.2 0.5 1.0 3.0 1.4390 1.3943 1.3871 1.3666 5.0 6.0 1.3266 1.2975 |
0.05 @ 0.2 μm 0.02 @ 0.4 μm 0.03 @ 2.6~2.9 μm |
2.60 |
870 |
4 |
6 |
6 |
LiNbO3 |
Trigonal |
0.4 ~ 5 |
0.633 1.064 1.3 2.286 2.232 2.220 2.203 2.156 2.146 |
0.1 @ 1.064 μm |
4.64 |
1253 |
5 |
3 |
7 |
MgF2 |
Tetragonal |
0.13 ~ 7 |
0.2 0.5 1.0 3.0 1.4231 1.3797 1.3736 1.3618 5.0 7.0 1.3400 1.3044 |
0.07 @ 0.2 μm 0.02 @ 5 μm |
3.18 |
1255 |
6 |
3.6 |
8 |
MgO |
Cubic |
0.3 ~ 7 |
0.5 1.0 3.0 5.0 1.74 1.72 1.68 1.63
|
- |
3.58 |
2800 |
5.8 |
2 |
9 |
Si |
Cubic |
1.2 ~ 15 |
3 5 6 7 3.432 3.422 3.420 3.419 8 10 3.418 3.417 |
0.01 @ 5 μm |
2.329 |
1410 |
7 |
6 |
10 |
TiO2 |
Tetragonal |
0.43 ~ 6 |
0.6 2.61 2.90 |
- |
4.25 |
1840 |
7 |
1 |
11 |
Y3Al5O12 |
Cubic |
0.3 ~ 5 |
0.5 1.0 2.0 3.0 1.8450 1.8197 1.8035 1.7855 4.0 1.7602 |
0.06 @ 0.36 μm 0.02 @ 0.4 μm 0.01 @ 1.15 μm
|
4.55 |
1950 |
8.5 |
3.2 |
12 |
YVO4 |
Tetragonal |
0.4 ~ 5 |
0.63 1.3 1.55 1.9929 1.9500 1.9477 2.2154 2.1554 2.1486 |
- |
4.22 |
1825 |
5 |
1 |
13 |
ZrO2:Y |
Cubic |
0.43 ~ 5 |
4 2.24 |
- |
5.92 |
2780 |
8.7 |
2 |
14 |
ZnSe |
Cubic |
0.55 ~ 18 |
1.0 3.0 5.0 2.4376 2.4296 2.4067 10 12.0 15.0 2.4894 2.3936 2.3662 |
1.005 @ 10.64 μm |
5.26 |
1520 |
4 |
4 |
15 |
ZnS |
Cubic |
1 ~ 13 |
1.0 3.0 6.0 2.292 2.257 2.239 8.0 10.0 12.0 2.222 2.200 2.179 |
0.2 @ 10 μm |
4.09 |
1830 |
4.5 |
6 |
16 |
ZnS |
Cubic |
0.4 ~ 12.5 |
0.5 0.7 1.0 2.419 2.332 2.292 10 11 12 2.201 2.186 2.161 |
0.001 @ 2.7 μm |
4.09 |
1830 |
4.5 |
7.2 |
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