# 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 1.0314122 0.00395421648 0.985282193 0.0186863118 1.17066017 81.1326753
  - type: tabulated k
    data: |
        0.280 7.3459E-06
        0.290 5.4566E-06
        0.300 4.2871E-06
        0.310 3.4697E-06
        0.320 2.3589E-06
        0.330 1.6279E-06
        0.340 1.0835E-06
        0.350 6.9917E-07
        0.360 4.4209E-07
        0.370 2.7122E-07
        0.380 1.6787E-07
        0.390 1.2023E-07
        0.400 9.0398E-08
        0.420 5.7307E-08
        0.440 4.9366E-08
        0.460 2.5714E-08
        0.480 2.2987E-08
        0.500 1.1955E-08
        0.550 1.3150E-08
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 1.1152E-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 4.4653E-08
        1.600 5.1032E-08
        1.800 1.8743E-07
        2.000 6.3313E-07
        2.200 2.0009E-06
        2.400 8.5533E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.22e-06 1.66e-08 -2.94e-11 5.17e-07 4.19e-10 0.196
    nd: 1.755000
    Vd: 52.322058
    glass_code: 755523
    glass_status: standard
    density:
      - value: 4220
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.7e-06
      - temperature_range: 293 573
        value: 7.3e-06
    dPgF: -0.0091
    resistance:
        climatic: 1.0