# 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/2023/50415_Lightpath_BD6_Datasheet.pdf">BLACK DIAMOND BD6 Glass Datasheet (revision 2023-07-28)</a><br>
    See also <a href="https://refractiveindex.info/download/data/2018/LPTHCORP-1512_BD6 Glass DataSheet.pdf">datasheet revision 2018-03-02</a> for more information.
COMMENTS: |
    20 °C. 
DATA:
  - type: tabulated n
    data: |
        2 2.820
        4 2.794
        6 2.788
        8 2.783
        10 2.778
        12 2.772
        14 2.764
CONDITIONS:
    temperature: 293
PROPERTIES:
    density:
      - value: 4630
    thermal_expansion:
      - value: 22.5e-06
    thermal_dispersion:
      - type: dn/dT
        wavelength_range: 8 12
        value: 30.5e-6
    transformation_temperature:
      - value: 458