Transparency Range: 200 - 2300 nm |
Transmission Curve |
Crystal Symmetry: Hexagonal, P3121 |
Lattice Constants: a=b=4.9133A, c=5.4053A |
Density: 2.65 g/cm3 |
Thermo-Optic Coefficients:
dno/dT= -0.52 x 10-6 /oC
@ 530 nm
dne/dT= -0.63 x 10-6/oC
@ 530 nm |
Damage Threshold ( 10ns, 10Hz)
~ 1GW/cm2 at 1064 nm
~ 500 MW/cm2 qt 532 nm |
Optical Homogeneity: Δn < 10-6/cm
|
Mohs Hardness: 7 |
Thermal Expansion Coefficients: |
αa = 14 x 10-6/K
ac = 7.6 x 10-6/K
|
Linear Absorption Coefficients: α<0.01cm-1 from 300 to 2300 nm |
Sellmeier Equations:
(λ in µm)
:
no2=2.3573-0.01170λ2+0.01054/λ2+1.3414x10-4/λ4-4.4537x10-7/λ6+5.9236x10-8/λ8
ne2=2.3849-0.01259λ2+0.01079/λ2+1.6518x10-4/λ4-1.9474x10-6/λ6+9.3648x10-8/λ8
|
Wavelength(nm) |
no |
ne |
Birefringence
(Δn=ne-no) |
Walk-off Angle
at 45° |
1064 |
1.5341 |
1.5428 |
0.00872 |
-0.325° |
800 |
1.5384 |
1.5473 |
0.00891 |
-0.331° |
632.8 |
1.5427 |
1.5517 |
0.00906 |
-0.336° |
532 |
1.5469 |
1.5561 |
0.00920 |
-0.340° |
400 |
1.5577 |
1.5673 |
0.00957 |
-0.351° |
355 |
1.5646 |
1.5744 |
0.00982 |
-0.358° |
266 |
1.5916 |
1.6024 |
0.01077 |
-0.386° |