# 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 0.18224764 0.0368484589 1.53664805 0.0088564742 1.2307217 134.124694
  - type: tabulated k
    data: |
        0.340 6.2300E-06
        0.350 2.6226E-06
        0.360 1.2341E-06
        0.370 5.9510E-07
        0.380 3.2533E-07
        0.390 1.9864E-07
        0.400 1.2994E-07
        0.420 7.4350E-08
        0.440 6.3599E-08
        0.460 5.5324E-08
        0.480 4.2250E-08
        0.500 3.1959E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 2.5928E-08
        0.700 2.2326E-08
        0.800 1.2745E-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 5.1032E-08
        1.800 2.1649E-07
        2.000 4.3563E-07
        2.200 1.0275E-06
        2.400 2.2256E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.86e-06 1.56e-08 -3.67e-11 7.03e-07 3.95e-10 0.198
    nd: 1.666720
    Vd: 48.421731
    glass_code: 667484
    density:
      - value: 3590
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.1e-06
      - temperature_range: 293 573
        value: 8.8e-06
    dPgF: -0.0026
    resistance:
        climatic: 1.0