# 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: 0.302 2.325
    coefficients: 0 0.63512858 0.00255407022 0.920839763 92.9065095 0.724654326 0.0143580146
  - type: tabulated k
    data: |
        0.290 3.6126E-06
        0.300 1.8747E-06
        0.310 9.5866E-07
        0.320 4.8371E-07
        0.330 2.6213E-07
        0.340 1.5020E-07
        0.350 8.4835E-08
        0.360 4.9120E-08
        0.370 3.5546E-08
        0.380 3.0392E-08
        0.390 2.4928E-08
        0.400 1.9156E-08
        0.420 2.0114E-08
        0.440 2.1072E-08
        0.460 1.4672E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.6736E-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 2.4783E-07
        1.600 1.0227E-07
        1.800 2.7477E-07
        2.000 6.3313E-07
        2.200 2.3778E-06
        2.400 4.0481E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.95e-06 2.23e-08 -5.19e-12 5.17e-07 2.24e-10 0.142
    nd: 1.546780
    Vd: 62.776077
    glass_code: 547628
    density:
      - value: 2840
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.2e-06
      - temperature_range: 293 573
        value: 8e-06
    dPgF: -0.0014
    resistance:
        climatic: 1.0