Elastic
constants cij
(1011 dyn/cm2 or 1010 Pa):
| 14.12 |
6.24 |
6.24 |
0 |
0 |
0 |
| 6.24 |
14.12 |
6.24 |
0 |
0 |
0 |
| 6.24 |
6.24 |
14.12 |
0 |
0 |
0 |
| 0 |
0 |
0 |
7.04 |
0 |
0 |
| 0 |
0 |
0 |
0 |
7.04 |
0 |
| 0 |
0 |
0 |
0 |
0 |
7.04 |
Photoelastic constants
pij:
| -0.151 |
-0.082 |
-0.082 |
0 |
0 |
0 |
| -0.082 |
-0.151 |
-0.082 |
0 |
0 |
0 |
| -0.082 |
-0.082 |
-0.151 |
0 |
0 |
0 |
| 0 |
0 |
0 |
-0.074 |
0 |
0 |
| 0 |
0 |
0 |
0 |
-0.074 |
0 |
| 0 |
0 |
0 |
0 |
0 |
-0.074 |
Sound velocity:
| direction |
polarization |
v
(105 cm/s) |
| [110] |
[110],
L |
6.32 |
| [100] |
S |
4.13 |
Acousto-optic figure
of merit:
| sound
dir. |
sound
pol. |
light
dir. |
light
pol. |
M
(10-18 s3/g) |
| [110] |
[110] |
|
[110] |
44.6 |
| [100] |
S |
|
arb. |
24.1 |
|
Refraction
indices:
| l
(mkm) |
nx |
ny |
nz |
| 0.55 |
3.4411 |
3.4411 |
3.4411 |
| 0.57 |
3.4012 |
3.4012 |
3.4012 |
| 0.6 |
3.3524 |
3.3524 |
3.3524 |
| 0.63 |
3.3132 |
3.3132 |
3.3132 |
| 0.66 |
3.2811 |
3.2811 |
3.2811 |
| 0.7 |
3.2462 |
3.2462 |
3.2462 |
| 0.8 |
3.183 |
3.183 |
3.183 |
| 0.9 |
3.143 |
3.143 |
3.143 |
| 1 |
3.1192 |
3.1192 |
3.1192 |
| 1.2 |
3.0844 |
3.0844 |
3.0844 |
| 1.4 |
3.0646 |
3.0646 |
3.0646 |
| 1.6 |
3.0509 |
3.0509 |
3.0509 |
| 1.8 |
3.0439 |
3.0439 |
3.0439 |
| 2.2 |
3.0331 |
3.0331 |
3.0331 |
| 2.4 |
3.0296 |
3.0296 |
3.0296 |
| 2.8 |
3.0236 |
3.0236 |
3.0236 |
| 3.2 |
3.0197 |
3.0197 |
3.0197 |
| 3.6 |
3.0166 |
3.0166 |
3.0166 |
| 4 |
3.0137 |
3.0137 |
3.0137 |
NOTE:
It should be taken into account that nx=ny=nz=n
for optically isotropic material and nx=ny=no
and nz=ne
for uniaxial crystal. |
Crystal
symmetry:
-43m
Density: 4.3 g/cm3
Optical spectral range: 0.53 - 16 mkm |
