# 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 0.759437631 0.0022319671 1.16056755 91.0466256 0.92336083 0.0158590987
  - type: tabulated k
    data: |
        0.290 8.2515E-06
        0.300 5.4497E-06
        0.310 3.5412E-06
        0.320 2.2767E-06
        0.330 1.4124E-06
        0.340 8.6636E-07
        0.350 5.0892E-07
        0.360 3.0502E-07
        0.370 1.8846E-07
        0.380 1.2660E-07
        0.390 8.8138E-08
        0.400 6.7557E-08
        0.420 5.7307E-08
        0.440 4.9366E-08
        0.460 4.0489E-08
        0.480 3.0681E-08
        0.500 2.3945E-08
        0.550 2.6340E-08
        0.600 2.3933E-08
        0.650 2.0732E-08
        0.700 2.2326E-08
        0.800 2.5516E-08
        0.850 2.0323E-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 7.8260E-08
        1.600 7.6624E-08
        1.800 2.1649E-07
        2.000 5.8353E-07
        2.200 2.0598E-06
        2.400 7.7057E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.6e-07 1.06e-08 -4.91e-11 3.57e-07 6.22e-10 0.245
    nd: 1.651600
    Vd: 58.403057
    glass_code: 652584
    density:
      - value: 3500
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.3e-06
      - temperature_range: 293 573
        value: 8.2e-06
    dPgF: -0.005
    resistance:
        climatic: 1.0