# this file is part of refractiveindex.info database
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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: 0.313 2.325
    coefficients: 0 1.3513924 0.00735017182 0.206957487 0.0254398321 0.961153882 99.5133128
  - type: tabulated k
    data: |
        0.310 8.6503E-06
        0.320 4.5123E-06
        0.330 2.4062E-06
        0.340 1.2934E-06
        0.350 6.9202E-07
        0.360 3.8909E-07
        0.370 2.2001E-07
        0.380 1.3607E-07
        0.390 9.1333E-08
        0.400 6.7557E-08
        0.420 5.3908E-08
        0.440 5.6476E-08
        0.460 5.1610E-08
        0.480 4.6114E-08
        0.500 3.9989E-08
        0.550 3.9569E-08
        0.600 3.8351E-08
        0.650 4.1547E-08
        0.700 3.9130E-08
        0.800 4.4720E-08
        0.850 3.3905E-08
        0.900 2.8705E-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 1.8743E-07
        2.000 4.8477E-07
        2.200 1.7282E-06
        2.400 3.8134E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.08e-07 1.53e-08 -3.29e-11 4.32e-07 6.25e-10 0.191
    nd: 1.612720
    Vd: 58.577083
    glass_code: 613586
    density:
      - value: 3540
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.3e-06
      - temperature_range: 293 573
        value: 7.9e-06
    dPgF: -0.0008
    resistance:
        climatic: 2.0