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Lithium Niobate
Key words:
Lithium Niobate /Tantalate Crystals
Classification:
Product Details
Application
Piezoelectric crystal used for SAW devices production.
Opticalelectronics crystal material used for Optical modulator, SHG devices, Holographic applications, Optical switches, and more.
Crystal material which generates ultra sonic wave for transducer application.
Wafer Specifications
| Grade | SAW-grade,Optical-grade | Types | Crystal ingot,Wafer |
| Size | 3"、4"、6"、8" | Crystal ingot Length | ≥50mm |
| Wafer Thickness |
0.35mm±0.02mm 0.5mm±0.02mm (customizable) |
Orientation |
X&Y&Z-cut±0.2°or specific requirements |
| Surface Treatment |
Single-sided polished double-sided polished |
Wafer TTV |
<3um <0.4um within area |
| Ra | <0.2nm | Wafer LTV | 5×5mm |
| Warp | <30um | Packaging | 25 pieces per box |
| Note:The parameters mentioned above are for reference purposes.For detailed product technical requirements,please get in touch with our sales representatives | |||
Physical and Optical Properties
| Chemical formula | LiNbO₃ |
| Crystal Structure | Triangular crystal system |
| Space group | R3C |
| Density | 4.64g/cm³ |
| Mohs Hardness | 5 |
| Optical uniformity | ~5×10-5/cm |
| Transparent range | 420-5200 nm |
| Absorption coefficient | ~0.1%/cm@1064 nm |
| Refractive index of 1064 nm |
ne=2.146,no=2.220@1300 nm ne=2.156,no=2.232@1064 nm ne=2.203,no=2.286@632.8 nm |
| Sellmeier's equation(λ,μm) |
no²=4.9048+0.11768/(λ²-0.04750)-0.027169λ² ne²=4.5820+0.099169/(λ²-0.04443)-0.021950λ² |
| Coefficient of thermal expansion @25℃ |
//a,2.0×10-6/K //c,2.0×10-6/K |
| Thermal conductivity | ~5Wm/K@25°C |
| Thermo-opticalcoefficient |
dno/dr=-0.874×10-6/K@1.4μm dne/dr=39.073×10-6/K@1.4μm |
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Product inquiry
Kaxin Optoelectronics Technology Co., Ltd.
Telephone: +8618553160851
Email: sales@kaxinoptic.com
WhatsApp: +8619863680321
Address: No.11111 Jingshi Road, Lixia District, Jinan 250000,P.R. China
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