# 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 3
    wavelength_range: 0.365 1.014
    coefficients: 2.42067444 -0.00907062595 2 0.0148479874 -2 -1.63554726e-05 -4 3.76515875e-05 -6 -1.56033963e-06 -8
  - type: tabulated k
    data: |
        0.320 9.1977E-06
        0.330 3.5174E-06
        0.340 1.2544E-06
        0.350 4.8230E-07
        0.360 2.0790E-07
        0.370 9.8803E-08
        0.380 6.1092E-08
        0.390 3.7468E-08
        0.400 3.1991E-08
        0.420 3.6968E-08
        0.440 3.8729E-08
        0.460 2.5714E-08
        0.480 1.9146E-08
        0.500 1.9944E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 2.0732E-08
        0.700 2.2326E-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 1.1197E-07
        1.600 5.1032E-08
        1.800 1.7293E-07
        2.000 3.7033E-07
        2.200 1.4979E-06
        2.400 2.4414E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.77e-06 1.48e-08 2.37e-11 6.1e-07 7.99e-10 0.144
    nd: 1.568828
    Vd: 56.127804
    glass_code: 569561
    glass_status: preferred
    density:
      - value: 2840
    thermal_expansion:
      - temperature_range: 243 343
        value: 6e-06
      - temperature_range: 293 573
        value: 7.4e-06
    dPgF: -0.0026
    resistance:
        climatic: 1.0