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| Categories | Piezoelectric Effect Crystals |
|---|---|
| Brand Name: | Crystro |
| Model Number: | CR220129-03 |
| Certification: | SGS/COC |
| Place of Origin: | China |
| MOQ: | 1pc |
| Price: | USD 20~200/pc |
| Payment Terms: | T/T, Western Union, MoneyGram, Paypal |
| Supply Ability: | 20000pcs per month |
| Delivery Time: | 4-5 weeks |
| Packaging Details: | Transparent clean box |
| Material: | LiTaO3 Polarized Crystalline Materials Used in Thermal Infrared Emitters |
| Transparency Range: | 400 – 5000 nm |
| Absorption edge: | 270nm |
| Flatness: | λ/8@632nm |
| Surface Quality: | 20/10 |
| Diameter: | up to 6inch |
| Origin: | China |
| Delivery: | 1-4 weeks |
| Company Info. |
| ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
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
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.
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