BaTiO3

BaTiO3 single crystal has excellent photorefractive properties, high self-pumped phase conjugate reflectivity and two-wave mixing (optical amplification) efficiency, and has huge potential application prospects in optical information storage. It is also an important substrate substrate material.

Uses/Applications

BaTiO3 has huge potential application prospects in optical information storage. It is also an important substrate substrate material.

Features/Benefits

BaTiO3 single crystal has excellent photorefractive properties, high self-pumped phase conjugate reflectivity and two-wave mixing (optical amplification) efficiency.

  • Crystal System

    Tetragona(4m):  13°C < T <132°C  a=3.99 ,c=4.04,(at 26°C)

    Density

    6.02g/cm3

    Melt Point

    1612℃

    Growth Method

    Top Seeded Solution Growth ( TSSG)

    Dielectric Constant

    ea=3700 ec=135(free state)


    ea=2400 ec=60

    Refractive Index


    515nm

    633nm

    800nm


    no

    2.4912

    2.4160

    2.3681


    no

    2.4247

    2.3630

    2.3235

    Transmission Wavelength

    0.43-6.30μm

    Photoelectric Coefficient

     r1T3=8±2pm/V  rT33=105±10pm/V  rT42=1300±100pm/V

    Self-pumped Phase Conjugate Reflectivity0°cut

     50 - 70 % for l = 515nm(Ce: BaTiO3)

     40 - 60 % (PureBaTiO3) for l = 515nm

     50 - 80 % for l = 633nm(Ce: BaTiO3)

     40 - 60 % for l = 633nm (PureBaTiO3)

    Piezoelectric Coefficient

    d33 = 496 pC·N−1

    Absorption Loss

     l: 515nm 

    633nm

     800nm


    a: 0.285cm-1 

     0.108cm-1

    0.033cm-1

    Orientation

    <100><001><110><111>±0.5º

    Dimension

    10×10×1/0.5mm10×5×1/0.5mm5×5×1/0.5mm

    According to customer needs, substrates with special orientation and size can be customized.

    Polishing

    One side or two sides

    Surface Roughness

    Surface roughness(Ra):<=10 Å
    Atomic Particle Microscopy (AFM) test report can be provided.

    Package

    Class 100 clean bag, Class 1000 super clean room


  • Dimension

    10×10×1/0.5mm、10×5×1/0.5mm、5×5×1/0.5mm

    Customized upon request.