Electro Acousto Optics Lithium Tantlate LiTaO3 Wafer
Brand Name:Crystro
Certification:SGS/COC
Model Number:CR211130-01
Minimum Order Quantity:1pc
Delivery Time:1-4 weeks
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Electro-Optics, Acousto-Optics Lithium Tantlate (LiTaO3) Wafer
LiTaO3(LT) optical crystals, a kind of transparent crystal, with many kinds of effects like piezoelectricity, electro-optics, acousto-optics, non-linear optics, are excellent materials for acoustic transmission medium and high frequency transducers. LT crystals can be widely used in electro-optical devices, laser frequency multiplier and acousto-optic devices.
Crystro's LiTaO3 lithium tantalate crystal has >99.99% purity. Find high-quality lithium tantalate bulk crystals, wafers and substrates
Application: surface acoustic wave filter, resonator, Q-switch, optical
modulator, acoustooptic switch, laser frequency doubling, optical
parametric oscillator, optical storage, high temperature and high
frequency ultrasonic detector, infrared detector and optical pickup
device.
Basic Properties of LiTaO3:
| Properties | LiTaO3(LT) |
| Type of Material | Single Crystal |
| Crystal Structure | Trigonal,a = 5.154, c = 13.784Å |
| Melting Point | 1650℃ |
| Curie Temperature | 607℃ |
| Transmission Range | 400 – 5000 nm |
| Absorption edge | 270nm |
| Absorption loss | < 0.15 %/cm @ 1064 nm |
| Refractive Index | no=2.176,ne=2.180(at 0.633 µm) |
| no=2.131,ne=2.134(at 1.2 µm) | |
| Density | 7.45g/cm3 |
| Thermal Conductivity | 8.78x 10-7 m2/sec |
| Optical homogeneity | ~10-5 |
| Hardness (Mohs) | 5 |
| Elastic Coefficient | CE11 2.33(X 1011 N/m2) |
| CE33 2.77(X 1011 N/m2) | |
| Dielectric Constant | ε11/ε0 52.7 |
| ε33/ε0 44.5 | |
| Solubility in Water | insoluble in water |
| NLO Coefficients | d33 = 13.8 pm/V |
| d22= 2.4 pm/V | |
| d11= 0.85 pm/V | |
| Electro-Optic Coefficients | r31 =8.4 pm/V, @633nm |
| r22 =20 pm/V, @633nm | |
| r33 =30.5 pm/V, @633nm | |
| Damage Threshold | 2 MW/cm2@532nm |
| Standard Diameter | dia150x50mm |
Typical Specifications:
| Specifications | Boule | Wafer | ||
| Diameter | Φ3'' | Φ4'' | Φ3'' | Φ4'' |
| Length or Thickness (mm) | ≤100 | ≤50 | 0.35-0.5 | |
| Orientation | 127.86°Y,64°Y,135°Y,X,Y,Z, and other cut | |||
| Ref.Flat Orientation | X,Y | |||
| Ref.Flat Length | 22±2mm | 32±2mm | 22±2mm | 32±2mm |
| Front Side polishing | / | Mirror polished 5-15 Å | ||
| Back Side Lapping | / | 0.3-1.0μm | ||
| Flatness (μm) | / | ≤15 | ||
| Bow (μm) | / | ≤25 | ||
Crystro can offer other size and specification of wafers upon request.
Electro Acousto Optics Lithium Tantlate LiTaO3 Wafer
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