# 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 0.874918734 0.00373965378 0.7096273 0.0163972089 1.09453882 100.204324
  - type: tabulated k
    data: |
        0.290 7.8034E-06
        0.300 5.2695E-06
        0.310 3.3421E-06
        0.320 2.0277E-06
        0.330 1.1926E-06
        0.340 6.8267E-07
        0.350 3.7510E-07
        0.360 2.0175E-07
        0.370 1.0490E-07
        0.380 6.1092E-08
        0.390 4.0610E-08
        0.400 2.5567E-08
        0.420 1.6753E-08
        0.440 1.4034E-08
        0.460 7.3285E-09
        0.480 7.6471E-09
        0.500 7.9657E-09
        0.550 8.7623E-09
        0.600 9.5589E-09
        0.650 1.5541E-08
        0.700 2.7922E-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 1.6838E-07
        1.600 1.1511E-07
        1.800 3.0401E-07
        2.000 6.9952E-07
        2.200 2.5795E-06
        2.400 5.8024E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -9.86e-07 1.83e-08 -3.36e-11 3.65e-07 9.55e-11 0.222
    nd: 1.620410
    Vd: 60.339343
    glass_code: 620603
    glass_status: standard
    density:
      - value: 3580
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.2e-06
      - temperature_range: 293 573
        value: 7.7e-06
    dPgF: -0.0016
    resistance:
        climatic: 4.0