LiTaO3 Polarized Crystalline Materials Used In Thermal Infrared Emitters
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Model Number:CR220129-03
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LiTaO3 Polarized Crystalline Materials Used in Thermal Infrared Emitters
Lithium tantalate (LiTaO3) is a perovskite which possesses unique optical, piezoelectric and pyroelectric properties which make it valuable for nonlinear optics, passive infrared sensorssuch as motion detectors, terahertz generation and detection, surface acoustic waveapplications, cell phones and possibly pyroelectric nuclear fusion. Considerable information is available from commercial sources about this salt.
Crystro's LiTaO3 lithium tantalate crystal has >99.99% purity. Find high-quality lithium tantalate bulk crystals, wafers and substrates
Crystro's LiTaO3 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.
Other optical single crystals like GGG,SGGG,TGG,TSAG are also
available.
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 |
Note: Other sizes and coatings are available upon request.
Crystal orientations available: Z-cut, X-cut, Y-cut
Typical product sizes available
Bulk crystals:
up to 6 inch diameter and 50 mm thick
Crystal substrates / wafers (single side or double side polished)
10 x 10 x 0.5 mm
2 inch diameter x 0.5mm thick
4 inch diameter x 0.5mm thick
Typical Specifications
| Specifications | Boule | Wafer | ||
| Diameter | Φ3'' | Φ4'' | Φ3'' | Φ4'' |
| Length or Thickness (mm) | ≤100 | ≤50 | 0.2-0.5 | |
| 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.
LiTaO3 Polarized Crystalline Materials Used In Thermal Infrared Emitters
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