# 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/2022/CDGM-ZEMAX202206new.AGF">CDGM Zemax catalog 2022-06</a> (obtained from <a href="http://www.cdgmgd.com/go.htm?k=Download&url=downList">http://www.cdgmgd.com</a>)<br>See also <a href="https://refractiveindex.info/download/data/2022/CDGM202206.pdf">CDGM optical glass data sheets</a>
COMMENTS: |
    anneal rate:4°C/h
DATA:
  - type: formula 2
    wavelength_range: 0.365 2.325
    coefficients: 0 2.10977576 0.0111387884 0.324313076 0.0453343979 1.37618163 104.419881
  - type: tabulated k
    data: |
        0.350 8.6372E-06
        0.360 3.7510E-06
        0.370 1.8582E-06
        0.380 1.0528E-06
        0.390 6.6549E-07
        0.400 4.5428E-07
        0.420 2.6057E-07
        0.440 1.8698E-07
        0.460 1.3042E-07
        0.480 1.0063E-07
        0.500 6.8222E-08
        0.550 3.9569E-08
        0.600 4.3166E-08
        0.650 4.1547E-08
        0.700 3.3523E-08
        0.800 2.5516E-08
        0.850 1.3542E-08
        0.900 1.4338E-08
        0.950 1.5135E-08
        1.000 1.5931E-08
        1.060 1.6887E-08
        1.200 1.9118E-08
        1.400 2.2304E-08
        1.600 2.5490E-08
        1.800 1.0062E-07
        2.000 3.7033E-07
        2.200 1.0460E-06
        2.400 4.0717E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.22e-06 1.64e-08 -4.25e-11 8.62e-07 7.87e-10 0.235
    nd: 1.883850
    Vd: 37.198899
    glass_code: 884372
    density:
      - value: 5500
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.7e-06
      - temperature_range: 293 573
        value: 8.5e-06
    dPgF: -0.0047
    resistance:
        climatic: 1.0