• BaB2O4 β-Barium Borate

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    Dimensions4 mm × 4 mm × 7 mm
    8 mm × 4 mm × 7 mm
    as substrates or prism

    Growth TechniqueCzochralski

    Orientationz axis

    Dopingundoped

    Surface1 side / 2 sides polished

    StructureTrigonal

    Lattice Constanta = b = 1.253 nm
    c = 1.272 nm
    Z = 7

    Melting Point1095 °C

    Density3.85 g/cm3

    Thermal Expansion Coefficient4.0 × 10-6 K-1 @ a axis
    36 × 10-6 K-1 @ c axis

    Refractive Indexne = 1.5425 @ 1064 nm
    n0 = 1.6551 @ 1064 nm

    Hardness4.5 M