# 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 1.39269903 0.00593335223 0.823697428 0.0240980834 1.29547295 95.3762858
  - type: tabulated k
    data: |
        0.320 9.1977E-06
        0.330 6.4428E-06
        0.340 3.2485E-06
        0.350 1.7630E-06
        0.360 1.0055E-06
        0.370 5.9510E-07
        0.380 3.7285E-07
        0.390 2.4531E-07
        0.400 1.6998E-07
        0.420 1.0525E-07
        0.440 8.1473E-08
        0.460 6.2765E-08
        0.480 4.9982E-08
        0.500 3.1959E-08
        0.550 3.0745E-08
        0.600 2.8734E-08
        0.650 2.5928E-08
        0.700 2.2326E-08
        0.800 2.5516E-08
        0.850 2.0323E-08
        0.900 2.1518E-08
        0.950 2.2714E-08
        1.000 2.3909E-08
        1.060 2.5344E-08
        1.200 2.8691E-08
        1.400 3.3473E-08
        1.600 5.1032E-08
        1.800 1.4396E-07
        2.000 4.6837E-07
        2.200 1.2517E-06
        2.400 5.4181E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.27e-06 1.3e-08 -2.95e-11 6.42e-07 8.08e-10 0.182
    nd: 1.816000
    Vd: 46.556066
    glass_code: 816466
    density:
      - value: 5060
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.4e-06
      - temperature_range: 293 573
        value: 7.8e-06
    dPgF: -0.0089
    resistance:
        climatic: 1.0