# 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 0.914808038 82.3260698 1.00522491 0.004505044 0.803415958 0.018371342
  - type: tabulated k
    data: |
        0.310 8.3416E-06
        0.320 5.8131E-06
        0.330 3.7587E-06
        0.340 2.3343E-06
        0.350 1.3631E-06
        0.360 7.8244E-07
        0.370 4.3724E-07
        0.380 2.4230E-07
        0.390 1.4615E-07
        0.400 9.6955E-08
        0.420 5.7307E-08
        0.440 4.5817E-08
        0.460 3.6790E-08
        0.480 3.0681E-08
        0.500 2.3945E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 2.5928E-08
        0.700 2.7922E-08
        0.800 3.1911E-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 6.7046E-08
        1.600 1.1511E-07
        1.800 3.3330E-07
        2.000 8.1636E-07
        2.200 2.4582E-06
        2.400 7.5632E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -5.16e-06 1.42e-08 -4.62e-11 5.61e-07 5.14e-10 0.155
    nd: 1.692110
    Vd: 54.539198
    glass_code: 692545
    density:
      - value: 3940
    thermal_expansion:
      - temperature_range: 243 343
        value: 8e-06
      - temperature_range: 293 573
        value: 9.7e-06
    dPgF: -0.0048
    resistance:
        climatic: 2.0