| Main Propertities |
| Transparency Range: |
high transmittance from 0.4 to 5 µm |
| Crystal Symmetry: |
Zircon Tetragonal, space group D4h |
| Crystal Cell: |
a=b=7.12Å; c=6.29Å |
| Density: |
4.22 g/cm3 |
| Hygroscopic Susceptibility: |
Non-hygroscopic |
| Thermal Expansion Coefficient: |
αa= 4.43 x 10-6/K
αc= 1.13 x 10-5/K |
| Thermal Conductivity Coefficient: |
αa= 4.43 x 10-6/K |
| Thermal Optical Coefficient: |
Dna/DT = 8.5x10-6/K
Dnc/DT = 3.0x10-6/K
|
Refractive Indices, Birefringence (Dn = ne - no) and
Walk-off Angle at 45o (r):
no = 1. 9929, ne = 2.2154, Dn = 0.2225, r = 6.04º º:at 0.63 µm
no = 1. 9500, ne = 2.1554, Dn = 0.2054, r = 5.72º º:at 1.30 µm
no = 1. 9447, ne = 2.1486, Dn = 0.2039, r = 6.04º º:at 0.63 µm
|
Sellmeier Equation (l in µm):
no2= 3.77834 + 0.069736/(l2 - 0.04724) - 0.0108133l2
ne2= 4.59905 + 0.110534/(l2 - 0.04813) - 0.0122676l2
|
