# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: "<a href=\"https://refractiveindex.info/download/data/2018/LPTHCORP-1512_BD6 Glass DataSheet.pdf\">BD6 Glass Datasheet (revision 2018-03-02)</a>"
DATA:
  - type: tabulated nk
    data: |
        2 2.8230 4.775E-08
        4 2.7978 6.366E-08
        6 2.7914 9.549E-08
        8 2.7867 1.273E-07
        10 2.7816 2.387E-07
        12 2.7755 3.820E-07
        14 2.7683 7.576E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    density: 4.63 g/cm<sup>3</sup>
    Vickers_hardness: 142 kgf/mm<sup>2</sup>
    Youngs_modulus: 19.8 GPa
    thermal_expansion:
      - temperature_range: 25 100 °C
        coefficient: 22.5e-06 K<sup>-1</sup>
    thermal_dispersion:
      - type: "dn_rel/dT"
        temperature_range: 0 40 °C
        wavelength: 10 µm
        value: 30.5e-6 K<sup>-1</sup>
    transition_temperature: 140 °C
    