LiTaO3

The chemical formula of lithium tantalate is LiTaO3. Colorless or light yellow crystals. It is a ferroelectric crystal with excellent electro-optical, piezoelectric, electrical and pyroelectric properties. Use the pulling method to grow. It is used as a Q-switch in laser technology, as a pyroelectric detector in infrared technology, and can also be used to make filters and resonators.

Uses/Applications

It is used as a Q-switch in laser technology, as a pyroelectric detector in infrared technology, and can also be used to make filters and resonators.

Features/Benefits

Excellent electro-optical, piezoelectric, electrical and pyroelectric properties.

  • Purity

    >99.995%

    Crystal Structure

    Oblique hexahedron, space group:C63vR3C

    Lattice Constant

    a=5.154Å   c=13.783 Å

    Melting Point

    1650

    Curie Temperature

    665±5

    Density

    7.45g/cm3

    Mohs Hardness

    5.5~6mohs

    Color

    Colorless or light yellow

    Refractive Index

    no=2.176 ne=2.180 633nm

    Primary Electro-Optic Coefficient

    r12=7.0×10-12m/V

    Electromechanical Coupling Coefficient

    R15≥0.3

    Resistivity

    1015w.m

    Intensity of Spontaneous Polarization

    50×10-6C/cm2

    Pyroelectric Coefficient

    2.3×10-7 C/cm2K

    Dielectric Constant

    es11/eo:39~43 es33/eo:42~43
    et11/eo:51~54 et33/eo:43~46

    Thermal Expansion

    aa=1.61×10-6/kac=4.1×10-6/k

    Standard Product

    Name

    Product

    Direction

    Standard Size

    LTB

    Crystal rod

    XYZ±1º

    Ø2″×50mm
    Ø3″×50mm

    LTW

    Epitaxial polishing wafer

    Double throw Ra<10Å

     

    X, Y, Z or Y rotation with or without positioning edge

    10×10×0.5mm
    Ø2″×0.5mm
    Ø3″×0.5mm
    Ø3″×1.0mm

    Package

    Class 100 clean bag, Class 1000 super clean room


  • According to customer requirements.