# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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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>
DATA:
  - type: formula 2
    wavelength_range: 0.365 2.325
    coefficients: 0 0.659469741 0.000766009635 0.7621967 0.0177403402 1.19935835 129.975103
  - type: tabulated k
    data: |
        0.330 4.9995E-06
        0.340 1.7229E-06
        0.350 6.2847E-07
        0.360 2.5762E-07
        0.370 1.2019E-07
        0.380 6.7269E-08
        0.390 5.3213E-08
        0.400 3.5208E-08
        0.420 4.0350E-08
        0.440 4.2271E-08
        0.460 4.0489E-08
        0.480 3.4533E-08
        0.500 3.1959E-08
        0.550 3.0745E-08
        0.600 3.3540E-08
        0.650 3.1129E-08
        0.700 2.7922E-08
        0.800 1.9127E-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 1.6838E-07
        1.600 1.0227E-07
        1.800 3.3330E-07
        2.000 6.8289E-07
        2.200 2.1586E-06
        2.400 3.4439E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 6.07e-07 1.74e-08 -3.75e-11 5.69e-07 2.67e-10 0.188
    nd: 1.568830
    Vd: 56.041308
    glass_code: 569560
    glass_status: standard
    density:
      - value: 2830
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.2e-06
      - temperature_range: 293 573
        value: 9e-06
    dPgF: -0.0007
    resistance:
        climatic: 2.0