Base properties: |
|
Crystal structure |
3m |
Density |
4.64g /cm3 |
Cell parameter |
a=5.148 ? c=13.863 ? |
Hardness (mohs) |
5 |
Melting temperature |
1253 ℃ |
Curie point |
1142 ± 1 ℃ |
Heat Capacity (Cp) |
89 J/k.mol |
Thermal Conductivity |
38W/m/k@ 25 ℃ |
Optical Homogeneity |
~5 × 10-5/cm |
Absorption Coefficient |
~0.1%/cm@1064nm |
The Sellmeier equations
( 1 in m m) |
n o 2 =4.9048+0.11768/( λ 2 -0.04750)-0.027169 λ 2
n e 2 =4.5820+0.099169/( λ 2 -0.04443)-0.02195 λ 2 |
Optical Properties of LiNbO3 |
|
Transparency Range |
420nm-5200nm |
Refractive indices at 1064nm |
n e =2.146, n o =2.220 @ 1300 nm
n e =2.156, n o =2.232 @ 1064 nm
n e =2.203, n o =2.286 @ 632.8 nm |
NLO Coefficients |
d 33 =86 × d36 (KDP);
d 31 =11.6 × d36 (KDP);
d 22 =5.6 × d36 (KDP) |
Electro-Optic coefficients |
gT33=32pm/v, rs33=31pm/v;
rT31=10pm/v, rs31=8.6pm/v
rT22=6.8pm/v, rs22=3.4pm/v |
Half-Wave Voltage, DC Electrocal |
field ∥ z, light vertical to z |
3.03kv |
Electrical field ∥x or y. Light ∥z: |
4.02kv |
|
Damage Threshold |
100MW/cm2 (10 ns ,1064nm) |
Engineering Technical Specifications: |
|
Transmitting wavefront distortion |
less than λ /8 @633nm |
Dimension tolerance |
(W ± 0.1mm )*(H ± 0.1mm )*(L ± 0.1mm ) |
Angle tolerance |
<0.20 |
Clear aperture |
>90% |
Flatness |
λ /8@633nm |
Scratch/Dig code |
10/5 |
Parallelism |
<20 ″ |
Perpendicularity |
<5 ′ |
AR coating |
R ＜ 0.2%@1064nm R ＜ 0.5%@532nm |
