Crystal symmetry:
Density: 2,2 g/cm^3
Optical spectral range: 0.2 - 4.5 mkm
Elastic constants : 10^11 dyn/cm^2 or 10^10 Pa)
-- | -- | -- | -- | -- | -- |
-- | -- | -- | -- | -- | -- |
-- | -- | -- | -- | -- | -- |
-- | -- | -- | -- | -- | -- |
-- | -- | -- | -- | -- | -- |
-- | -- | -- | -- | -- | -- |
Photolastic constants :
0.121 | 0.27 | 0.27 | 0 | 0 | 0 |
0.27 | 0.121 | 0.27 | 0 | 0 | 0 |
0.27 | 0.27 | 0.121 | 0 | 0 | 0 |
0 | 0 | 0 | -0.075 | 0 | 0 |
0 | 0 | 0 | 0 | -0.075 | 0 |
0 | 0 | 0 | 0 | 0 | -0.075 |
Refraction indices:
The values for refraction coefficients for the given optical wavelengths.
wavelength, mkm | refraction index |
0.2 | 1.5505 |
0.25 | 1.5074 |
0.3 | 1.4878 |
0.4 | 1.4701 |
0.45 | 1.4656 |
0.5 | 1.4623 |
0.55 | 1.4601 |
0.6 | 1.4580 |
0.65 | 1.4565 |
0.7 | 1.4552 |
0.8 | 1.4533 |
0.9 | 1.4517 |
1 | 1.4504 |
1.1 | 1.4492 |
1.2 | 1.4480 |
1.5 | 1.4446 |
2 | 1.4381 |
3.4 | 1.4089 |
Sound velocity:
direction | polarization | v (10^5 cm/s) |
-- | L | 5.96 |
Acousto-optic figure of merit:
sound dir. | sound pol. | light dir. | light pol. | M (10^-18 s^3/g) |
-- | L | arb. | orthog. | 1.56 |
-- | L | arb. | orthog. | 1.56 |