# 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: 0.365 2.325
    coefficients: 0 0.131856447 0.0404229746 1.28686729 0.0080740739 1.0068252 113.574742
  - type: tabulated k
    data: |
        0.340 8.0518E-06
        0.350 2.6297E-06
        0.360 9.0551E-07
        0.370 3.5638E-07
        0.380 1.6787E-07
        0.390 8.4947E-08
        0.400 5.1341E-08
        0.420 2.6846E-08
        0.440 2.4596E-08
        0.460 2.2030E-08
        0.480 1.9146E-08
        0.500 1.9944E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        0.650 2.0732E-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 1.2323E-07
        1.600 1.1511E-07
        1.800 4.0679E-07
        2.000 8.6670E-07
        2.200 2.3377E-06
        2.400 3.4897E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.16e-06 1.57e-08 -3.1e-11 4.71e-07 6.41e-10 0.268
    nd: 1.569700
    Vd: 49.452646
    glass_code: 570495
    density:
      - value: 2820
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.2e-06
      - temperature_range: 293 573
        value: 9.8e-06
    dPgF: 0.0002
    resistance:
        climatic: 1.0