# 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: 0.302 2.325
    coefficients: 0 0.894248925 0.00384521718 0.696413489 0.0174130132 1.07122355 102.205952
  - type: tabulated k
    data: |
        0.300 8.8066E-06
        0.310 5.1496E-06
        0.320 2.8464E-06
        0.330 1.5795E-06
        0.340 8.8881E-07
        0.350 4.8561E-07
        0.360 2.6703E-07
        0.370 1.5413E-07
        0.380 8.8991E-08
        0.390 6.2700E-08
        0.400 4.4878E-08
        0.420 3.3591E-08
        0.440 3.1655E-08
        0.460 2.2030E-08
        0.480 2.2987E-08
        0.500 2.3945E-08
        0.550 2.6340E-08
        0.600 2.8734E-08
        0.650 2.5928E-08
        0.700 2.7922E-08
        0.800 2.5516E-08
        0.850 2.0323E-08
        0.900 2.1518E-08
        0.950 3.0300E-08
        1.000 3.1895E-08
        1.060 3.3809E-08
        1.200 3.8274E-08
        1.400 2.3645E-07
        1.600 1.6661E-07
        1.800 4.0679E-07
        2.000 8.6670E-07
        2.200 3.1779E-06
        2.400 6.3005E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 8.71e-07 1.71e-08 -8.72e-11 4.27e-07 -7.8e-10 0.222
    nd: 1.622990
    Vd: 58.120667
    glass_code: 623581
    glass_status: standard
    density:
      - value: 3560
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.2e-06
      - temperature_range: 293 573
        value: 7.5e-06
    dPgF: -0.0024
    resistance:
        climatic: 1.0