|
Physical and
optical properties:
|
|
| Transparency range |
189-3500nm |
| Density |
3.85g/cm3 |
| Therm-optic
coefficients |
dno / dT = -9.3 X
10-6 / �C
dne / dT = -16.6.3 X
10-6 / �C |
| Optical
homogeneity |
Δn≈10-6/cm |
| Damage
threshold |
1 GW/cm2
at 1064nm500 MW/com2 at 532nm |
| Hygroscopic
susceptibility |
Low |
Thermal
expansion coefficients
(25�C--900�C) |
aa = 4 X 10-6 /
K
ac = 4 X 10-6 / K |
| Linear
absorption coefficients |
a<0.005cm-1 from 300nm to
2300nm |
Refractive indices,
birefringence
(Δn=ne-no) and walk-off angle at 45�C |
ne=1.58462, no=1.65790,
Δn=-0.073282; ρ=-4.9532o at 1064nm |
| ne=1.60206, no=1.67755,
Δn=-0.075491; ρ=-5.0407o at 532nm |
| ne=1.67190, no=1.76171,
Δn=-0.089805; ρ=-5.6926o at 266nm |
