Transparency Range: 180 - 4500 nm |
Transmission Curve |
Crystal Symmetry: Hexagonal
|
Density: 3.98 g/cm3 |
Lattice Constants: a=b=4.758A,
c=12.991A |
Thermo-Optic Coefficients:
dn/dT= 1.2 x 10-6 /oC
|
Optical Homogeneity:
Δn < 10-6/cm
|
Mohs Hardness: 9.0 |
Thermal Conductivity: 52 W/m/K |
Thermal Expansion Coefficients: |
α = 8.4 x 10-6/K
|
Sellmeier
Equations:
(λ
in
µm)
:
no2=1+
1.43135 λ2/(
λ2
- 0.00528 ) +
0.65055
λ2/(λ2-
0.01424)+
5.34140
λ2 /(
λ2-325.01800
)
ne2=1+
1.50398 λ2/(
λ2
- 0.00548 ) +
0.55069λ2/(
λ2-0.01480
)+ 6.59274λ2/(
λ2-402.89500
) |
Wavelength(nm) |
no |
ne |
Birefringence
(Δn=ne -no) |
Walk-off Angle
at 45° |
1064 |
1.7545 |
1.7467 |
-0.0275 |
0.257° |
800 |
1.7602 |
1.7522 |
-0.0278 |
0.258° |
632.8 |
1.7659 |
1.7579 |
-0.0283 |
0.261° |
532 |
1.7717 |
1.7636 |
-0.0288 |
0.263° |
355 |
1.7960 |
1.7873 |
-0.0310 |
0.276° |
266 |
1.8331 |
1.8236 |
-0.0346 |
0.296° |
Crystallographic orientations:
|
|