|
Typical Physical Properties
|
|
molecular Formula
|
LiNbO3 |
Crystal Structure
|
Hexagonal，a=b=5.148Å,c=13.863Å |
Growth
Method |
CZ |
Density
|
4.64g /cm3 |
Melt Point
|
1250℃ |
|
Curie Temperature |
～1140℃ |
|
Thermal expansion |
a11=15.4×10-6/K
a33=7.5×10-6/K |
|
Index of Refraction |
n0=2.286
ne=2.203 @632.8nm |
|
Nonlinear coefficient |
D33=34.45,d31=d15=5.95,d22=13.07(pmV-1) |
|
Electro-optical Coefficient |
γ13=8.6,γ22=3.4,γ33=30.8,γ51=28.0,γ22=6.00(pmV-1) |
|
Transmission wavelength |
0.4～2.90μm |
|
Transparency Range |
370～5000nm |
|
Transmissivity |
>68% @632.8nm |
|
Sellmeier Equation ( l in mm ) |
n02(λ)=4.9048+0.11768/(λ2-0.04750)-0.027169×λ2
ne2(λ)=4.5820+0.099169/(λ2-0.04443)-0.021950×λ2 |
Hardness |
5 ( Mohs) |
|
Orientation |
X、Y、Z |
Standard Size |
Dia.3＂× 0.5mm
Dia.2＂× 0.5mm
10×10×0.5mm
Special size and orientation are available upon request.
|
Orientation Accuracy
|
±0.3o |
|
Polishing
& Micro Roughness |
Single or double sides polished Ra<5
Å |
