# 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: 0.4047 2.325
    coefficients: 0 0.528336971 0.0759305743 2.05959954 0.0171346469 3.5863808 189.364809
  - type: tabulated k
    data: |
        0.390 1.0682E-05
        0.400 4.6781E-06
        0.420 7.4580E-07
        0.440 3.7670E-07
        0.460 2.7748E-07
        0.480 2.2013E-07
        0.500 1.7072E-07
        0.550 8.3959E-08
        0.600 4.3166E-08
        0.650 3.6335E-08
        0.700 2.7922E-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 1.2950E-07
        2.000 2.4054E-07
        2.200 5.1521E-07
        2.400 8.7937E-07
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.47e-06 1.75e-08 -4.65e-11 1.29e-06 1.86e-09 0.328
    nd: 1.959060
    Vd: 17.472434
    glass_code: 959175
    density:
      - value: 3490
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.8e-06
      - temperature_range: 293 573
        value: 7.4e-06
    dPgF: 0.0426
    resistance:
        climatic: 1.0