# 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 1.40477521 0.0104153446 1.17495845 113.688956 0.130830575 0.0568962426
  - type: tabulated k
    data: |
        0.360 7.6182E-06
        0.370 2.4850E-06
        0.380 9.5167E-07
        0.390 4.4650E-07
        0.400 2.4128E-07
        0.420 1.1908E-07
        0.440 8.5059E-08
        0.460 7.0220E-08
        0.480 6.1610E-08
        0.500 5.2065E-08
        0.550 3.0745E-08
        0.600 2.8734E-08
        0.650 3.1129E-08
        0.700 2.7922E-08
        0.800 1.9127E-08
        0.850 2.0323E-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 6.7046E-08
        1.600 2.5490E-08
        1.800 2.1649E-07
        2.000 4.5199E-07
        2.200 1.4598E-06
        2.400 2.0335E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.89e-07 1.15e-08 -3.15e-11 6.95e-07 2.04e-09 0.271
    nd: 1.612930
    Vd: 37.004441
    glass_code: 613370
    density:
      - value: 2650
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.8e-06
      - temperature_range: 293 573
        value: 9.4e-06
    dPgF: 0.004
    resistance:
        climatic: 1.0