NLO Lithium Niobate Crystal Used In Optical Communication
Brand Name:Crystro
Certification:SGS/COC
Model Number:CR220129-07
Minimum Order Quantity:1pc
Delivery Time:4-5 weeks
Payment Terms:T/T, Western Union, MoneyGram, Paypal
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NLO Lithium niobate Nolinear Optical Crystal Used In Optical Communication
LiNbO3 (Lithium Niobate) crystal is widely used as frequency doublers for wavelength > 1mm and optical parametric oscillators (OPOs) pumped at 1064 nm. Due to its large electro-optic and acousto-optic coefficients.
Both pure LN and MgO doped LN (MgO:LN) crystals with gold coatings on side faces for electrodes are available
MgO doped LiNbO3 (MgO:LN) has similar linear optical properties to pure LiNbO3, but the photorefractive damage threshold is much higher.
Crystro's LiNbO3 crystal is grown by Czochralski method.Max diameter reach 4inch,it's now the biggest size in this filed,we can custom size and specs ,rougness<0.5nm.Magneto-optical
single crystals like GGG,SGGG,TGG,TSAG are our main products.
Crystro provides:
- LiNbO3 wedges used for fiber optical isolators and circulators.
- Reliable delivery
- Strict quality control
- Technical support
- Very competitive prices
Basic Properties of LiNbO3:
| Crystal Sturucture | Trigonal, Space group R3c, Point group 3m |
| Melting Point | 1253℃ |
| Mohs Hardness | 5 |
| Density | 4.64g/cm3 |
| Deliquescence | None |
| Optical Homogeneity | ~5x10-5/cm |
| Transparency Range | 420-5200nm |
| Absorption Coefficient | ~0.1%/cm @1064nm |
| Refractive Indices at 1064nm | ne=2.146, no=2.220@1300nm ne=2.156, no=2.232@1064nm ne=2.203, no=2.286@632.8nm |
| Thermal Expansion Coefficients (at 25℃ ) | //a,2.0x10-6/K //a,2.2x10-6/K |
| Thermal Conductivity Coefficients | 38 W/m/K at 25℃ |
| Thermal Optical Coefficients | dno/dT=-0.874 x 10-6/K at 1.4μm dne/dT=39.073 x 10-6/K at 1.4μm |
| The Sellmeier Equations (λ in μm) | no2=4.9048+0.11768/(λ2-0.04750)-0.027169λ2 ne2=4.5820+0.099169/(λ2-0.04443)-0.02195λ2 |
Crystro can offer:
| Optical grade LiNbO3 | SAW grade LiNbO3 | |
| Orientation | X-cut, Z-cut (+/-0.2°) | Z-cut, Y-cut, |
| Y-cut 36° off, Y-cut 64° off, Y-cut 128° off | ||
| Primary Orientation Flat | 22mm+/-2mm (3-inch) | 22mm+/-2mm (3-inch) |
| 32mm+/-2mm (4-inch) | 32mm+/-2mm (4-inch) | |
| Standard Size | φ3"(76.2mm) +/-0.3mm | φ3" (76.2mm) +/-0.3mm |
| φ4" (100mm) +/-0.3mm | φ4" (100mm) +/-0.3mm | |
| φ6" (150mm) +/-0.3mm | φ6" (150mm) +/-0.3mm | |
| 10x10mm +/-0.1mm | 10x10mm +/-0.1mm | |
| Or others | Or others | |
| Thickness | 500μm +/-20μm | 500μm +/-20μm |
| 1000μm +/-20μm | 1000μm +/-20μm | |
| 350μm +/-20μm | 350μm +/-20μm | |
| Polishing | Single or Both side polished | Single or Both side polished |
| Surface Finish: 20/10 or 10/5 | Surface Finish: 20/10 or 10/5 | |
| TTV | ≤10um | ≤10um |
| Curie temperature | 1142℃ +/-0.7℃ | 1142℃ +/-3℃ |
| Edge chamfer | Edge rounding | Edge rounding |
NLO Lithium Niobate Crystal Used In Optical Communication
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