optical grade LN wafer
Typical Specifications
Optical Grade LiNbO3 Wafer
|
Orientation |
X&Z-cut ±0.2° |
|
Diameter |
50.8mm/76.2 mm/100mm ±0.3mm |
|
Orientation Flat(OF) |
22mm ±2 mm/32mm ±2mm Perpendicular to X ±0.2° |
|
Second Refer.Flat(RF) |
Cw225°±0.5°from OF Cw315°±0.5°from |
|
Thickness |
250um/500um/1000um ±5um or more |
|
Surface Quality |
Double sides polished; S/D:20/10 |
|
TTV |
≤ 10um |
|
WARP |
≤ 50um |
|
Curie Temperature |
1142 ℃ ± 0.7 ℃ |
|
Refractive Index |
n. = 2.2878±0.0002 n. =2.2033±0.0002 prism coupler method@632.8nm |
|
Edge Beveling |
Edge Rounding |
Basic materials characteristics
1. EO Waveguide Phase Modulators
2. EO Waveguide Amplitude Modulators
3. Integrated Waveguide Photonics
4. Wave Guide Lasers
5. Polarizer for Optic Isolator
6.Quasi-phase Matching for SHG and OPO
The possible applications
|
Crystal Structure |
Trigonal, point group 3m |
|
Lattice Parameters |
a=5.148Å, c=13.863Å |
|
Density |
4.64 g/cm3 |
|
Melting Point |
1250°C |
|
Curie Point |
1142±2 ℃ |
|
Mohs Hardness |
5 |
Dielectric Constant |
e11/e0 = 85; e33/e0 = 29.5 |
|
Thermal Conductivity |
38 W/m/°C at 25°C |
|
Thermal Expansion Coefficient |
a1=a2 =2x10-6/°C, a3=2.2x10-6/ °C at 25°C |
|
Elastic Stiffness Constant |
CE11 = 2.04 x 1011 N/m2, CE33 = 2.46 x 1011 N/m2 |
