# 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/2017/schott-infrared-chalcogenide-glasses-irg-26-english-us-10042017.pdf">SCHOTT Infrared Chalcogenide Glasses - IRG 26 Product flyer (Version April 2017)</a>
DATA:
  - type: formula 2
    wavelength_range: 0.85 12
    coefficients: 3.1934 3.5854 0.1852 2.2337 3398.08
  - type: tabulated k
    data: |
        1.0 9.7218E-07
        1.5 5.2464E-07
        2.0 4.5199E-07
        2.5 5.0368E-07
        3.0 1.4518E-06
        3.5 3.3625E-07
        4.0 2.2360E-07
        4.5 1.7950E-07
        5.0 1.9944E-07
        5.5 2.1939E-07
        6.0 2.8734E-07
        6.5 3.6335E-07
        7.0 2.2326E-07
        7.5 2.9916E-07
        8.0 4.4720E-07
        8.5 1.1598E-06
        9.0 4.2793E-06
        9.5 1.6817E-06
        10.0 2.8351E-06
        10.5 4.1980E-06
        11.0 2.7565E-06
        11.5 3.1656E-06
        12.0 5.2002E-06
        12.5 1.0702E-05
        13.0 2.8800E-05
        13.5 5.7598E-05
        14.0 9.1972E-05
        14.5 1.6858E-04
        15.0 2.8611E-04
        15.5 3.2801E-04
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.63e-05 0 0 2.93e-05 0 3.15e-01
    density:
      - value: 4630
    thermal_expansion:
      - temperature_range: 293 373
        value: 21.4e-06
    specific_heat:
      - value: 360
    thermal_conductivity:
      - value: 0.24
    transformation_temperature:
      - value: 458
    hardness:
      - type: Knoop
        value: 1.04e9
    fracture_toughness:
      - value: 0.285e6
    youngs_modulus:
      - value: 18.3e9