# 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 1.54172779 131.963779 2.03469901 0.0125481283 0.264811834 0.055979471
  - type: tabulated k
    data: |
        0.360 7.3452E-06
        0.370 2.8567E-06
        0.380 1.3448E-06
        0.390 7.6316E-07
        0.400 4.9492E-07
        0.420 2.7868E-07
        0.440 1.9067E-07
        0.460 1.4181E-07
        0.480 1.1241E-07
        0.500 8.8512E-08
        0.550 4.8411E-08
        0.600 4.3166E-08
        0.650 3.6335E-08
        0.700 3.3523E-08
        0.800 2.5516E-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 2.2304E-08
        1.600 5.1032E-08
        1.800 1.4396E-07
        2.000 3.0530E-07
        2.200 6.9645E-07
        2.400 1.8853E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.47e-06 1.75e-08 -1.77e-11 6.76e-07 4.45e-10 0.301
    nd: 1.850260
    Vd: 32.216801
    glass_code: 850322
    density:
      - value: 4420
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.2e-06
      - temperature_range: 293 573
        value: 8.2e-06
    dPgF: 0.0029
    resistance:
        climatic: 1.0