Basic Properties |
|
Chemical Formula. |
Ti+3:A12O3 |
Crystal Structure |
Hexagonal |
Lattice constants |
A = 4.758 |
Melting Point |
2040 °C |
Mohs hardness |
9 |
Thermal conductivity |
52 W/m/K |
Specific heat |
0.42 W·s/g/k |
Laser action |
4-Level Vibronic |
Fluorescence lifetime |
3.2 ms /T = 300K) |
Tuning range |
660 – 1050 nm |
Absorbtion range |
400 – 600 nm |
Emission peak |
795 nm |
Absorption peak |
488 nm |
Refractive index |
1.76 @ 800 nm |
Standard Product Specifications |
|
Orientation |
Optical axis C normal to rod axis |
Ti2O3 concentration |
0.06 – 0.5 wt % |
Figure Of Merit |
>200 (>300 available on special requests) |
End configurations |
Flat / Flat or Brewster / Brewster ends |
Flatness |
l/10 @ 633 nm |
Parallelism |
10 arc sec |
Surface finishing |
<10/5 scratch / dig to MIL-O-13830A |
Wavefront distortion |
<l/4 per inch |
List of Optical Crystals |
|||||
Materials |
Refractive Index |
Transmission |
Density |
Thermal Expansion |
|
BK7 glass |
1.5164 (588 nm) |
0.330 – 2.1 |
2.51 |
7.5 |
|
SF11 glass |
1.78472 (588 nm) |
0.370 – 2.5 |
4.74 |
6.8 |
|
F2 glass |
1.62004 (588 nm) |
0.420 – 2.0 |
3.61 |
8.2 |
|
Fused Silica |
1.4858 (308 nm) |
0.185 – 2.5 |
2.20 |
0.55 |
|
CaF2 |
1.399 (5.0 mm) |
0.170 – 7.8 |
3.18 |
18.85 |
|
BaF2 |
1.460 (3.0 um) |
0.15 – 12.0 |
4.88 |
18.4 |
|
Sapphire |
1.755 (1.0mm) |
0.180 – 4.5 |
3.98 |
8.4 |
|
Silicon |
3.4179 (10mm) |
1.200 – 7.0 |
2.33 |
4.15 |
|
Ge |
4.003 (10 mm) |
1.900 – 16 |
5.33 |
6.1 |
|
ZnSe |
2.40 (10 mm) |
0.630 – 18 |
5.27 |
7.8 |
|
ZnS |
2.2 (10mm) |
0.380 –14 |
4.09 |
6.5 |
|
LiF |
1.39 (500 nm) |
0.150 – 5.2 |
2.64 |
37 |
|
KBr |
1.526 (10 mm) |
0.280 – 22 |
2.75 |
43 |
|
MgF2 |
no = 1.3836 ne = 1.3957 (405 nm) |
0.130 – 7.0 |
7.37 |
a: 13.7 |
|
YVO4 |
no = 1.9500 ne = 2.1554 (1.3 mm) |
0.400 – 5.0 |
4.22 |
a: 4.46 |
|
Calcite |
no = 1.6557 ne = 1.4852 (633 nm) |
0.210 – 2.3 |
2.75 |
a: 24.39 |
|
Quartz |
no = 1.5427 ne = 1.5518 (633 nm) |
0.200 – 2.3 |
2.65 |
7.07 |
|
α-BBO |
no = 1.6749 ne = 1.5555 (532 nm) |
0.190 – 3.5 |
3.85 |
a: 4.0 |
|
LiNbO3 |
no = 2.2863 ne = 2.2027 (633 nm) |
0.370 – 4.5 |
4.64 |
a: 16.7 |