LiTaO3 crystal is an important Multi-functional material, it has excellent piezoelectric, ferroelectric ,acousto-optic and electro-optic effect, therefore to be a basic functional materials in the SAW devices, optical communication, laser and photoelectron filed。Hangzhou Lambda supplies high quality LiTaO3 boules, wafers or slices with the specifications for standard applications, we can also offer other specifications upon request.
Applications:
The polished LT wafers are used to make the resonator,SAW filter,energy converter and other electronic communication devices, especially for its good electromechanical coupling, temperature coefficient properties make it widely used in the field of mobile phone,interphone,satellite communication, aerospace and high-end communications.
Specifications:
Chemical formula | LiTaO3 |
Density | 7.45g/cm3 |
Melting point | 1650℃ |
Refractive index | n0=2.176 ne=2.180@ 633mn |
Color | transparent(colourless) |
Dielectric constant | ε11/ε0=39-43; ε33/ε0=42-43 |
Moh's hardness | 5.5-6 |
Thermal expansivity coefficient | a1=a2=1.61×10-6/℃, a3=4.1×10-6/℃ at 25℃ |
Thermal conductivity | 1015W/m/℃ |
E-O coefficient | R33=30.4 |
Transmission range | 400nm-5000nm |
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